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22221103332 = 22317316676421
BaseRepresentation
bin10100101100011110…
…110010000011100100
32010100121221000020010
4110230132302003210
5331002100301312
614112551210220
71414442155551
oct245436620344
963317830203
1022221103332
11947326290a
124381976970
1321318b796c
14110b297a28
158a0c5593c
hex52c7b20e4

22221103332 has 48 divisors (see below), whose sum is σ = 52188357312. Its totient is φ = 7358655360.

The previous prime is 22221103313. The next prime is 22221103337. The reversal of 22221103332 is 23330112222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22221103299 and 22221103308.

It is not an unprimeable number, because it can be changed into a prime (22221103337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3457482 + ... + 3463902.

It is an arithmetic number, because the mean of its divisors is an integer number (1087257444).

Almost surely, 222221103332 is an apocalyptic number.

It is an amenable number.

22221103332 is an abundant number, since it is smaller than the sum of its proper divisors (29967253980).

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

22221103332 is a wasteful number, since it uses less digits than its factorization.

22221103332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268 (or 8266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22221103332 its reverse (23330112222), we get a palindrome (45551215554).

The spelling of 22221103332 in words is "twenty-two billion, two hundred twenty-one million, one hundred three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 1667 2076 3334 5001 6421 6668 10002 12842 19263 20004 25684 38526 77052 288391 576782 865173 1110833 1153564 1730346 2221666 3332499 3460692 4443332 6664998 10703807 13329996 21407614 32111421 42815228 64222842 128445684 1851758611 3703517222 5555275833 7407034444 11110551666 22221103332