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22101332224 = 28232293557
BaseRepresentation
bin10100100101010101…
…111001000100000000
32010001021120000011011
4110211111321010000
5330230420112344
614053032130304
71411456136626
oct244525710400
963037500134
1022101332224
119411698024
124349836994
132112b40c9a
1410d93db516
15895497d34
hex525579100

22101332224 has 108 divisors (see below), whose sum is σ = 46358306316. Its totient is φ = 10515214336.

The previous prime is 22101332191. The next prime is 22101332263. The reversal of 22101332224 is 42223310122.

It can be written as a sum of positive squares in 2 ways, for example, as 11785273600 + 10316058624 = 108560^2 + 101568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22101332195 and 22101332204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39678954 + ... + 39679510.

It is an arithmetic number, because the mean of its divisors is an integer number (429243577).

Almost surely, 222101332224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22101332224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23179153158).

22101332224 is an abundant number, since it is smaller than the sum of its proper divisors (24256974092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101332224 is an equidigital number, since it uses as much as digits as its factorization.

22101332224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22101332224 its reverse (42223310122), we get a palindrome (64324642346).

The spelling of 22101332224 in words is "twenty-two billion, one hundred one million, three hundred thirty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 256 293 368 529 557 586 736 1058 1114 1172 1472 2116 2228 2344 2944 4232 4456 4688 5888 6739 8464 8912 9376 12811 13478 16928 17824 18752 25622 26956 33856 35648 37504 51244 53912 67712 71296 75008 102488 107824 135424 142592 154997 163201 204976 215648 294653 309994 326402 409952 431296 589306 619988 652804 819904 862592 1178612 1239976 1305608 1639808 1725184 2357224 2479952 2611216 3279616 3753623 4714448 4959904 5222432 7507246 9428896 9919808 10444864 15014492 18857792 19839616 20889728 30028984 37715584 39679232 41779456 60057968 75431168 86333329 120115936 172666658 240231872 345333316 480463744 690666632 960927488 1381333264 2762666528 5525333056 11050666112 22101332224