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10022122220 = 22511318114321
BaseRepresentation
bin10010101010101110…
…10111001011101100
3221212110101120002212
421111113113023230
5131011130402340
64334252505552
7503233430135
oct112527271354
927773346085
1010022122220
114283254840
121b3847b2b8
13c39464846
146b1080c8c
153d9ccca65
hex2555d72ec

10022122220 has 48 divisors (see below), whose sum is σ = 22968592416. Its totient is φ = 3643008000.

The previous prime is 10022122219. The next prime is 10022122237. The reversal of 10022122220 is 2222122001.

It is a junction number, because it is equal to n+sod(n) for n = 10022122195 and 10022122204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692660 + ... + 706980.

It is an arithmetic number, because the mean of its divisors is an integer number (478512342).

Almost surely, 210022122220 is an apocalyptic number.

10022122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10022122220 is an abundant number, since it is smaller than the sum of its proper divisors (12946470196).

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

10022122220 is a wasteful number, since it uses less digits than its factorization.

10022122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17522 (or 17520 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10022122220 its reverse (2222122001), we get a palindrome (12244244221).

The spelling of 10022122220 in words is "ten billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 3181 6362 12724 14321 15905 28642 31810 34991 57284 63620 69982 71605 139964 143210 157531 174955 286420 315062 349910 630124 699820 787655 1575310 3150620 45555101 91110202 182220404 227775505 455551010 501106111 911102020 1002212222 2004424444 2505530555 5011061110 10022122220