22257417028 has 48 divisors (see below), whose sum is σ = 48585858048. Its totient is φ = 8667396000.

The previous prime is 22257417011. The next prime is 22257417041. The reversal of 22257417028 is 82071475222.

It is a super-2 number, since 2×22257417028² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639393 + ... + 673303.

It is an arithmetic number, because the mean of its divisors is an integer number (1012205376).

Almost surely, 2^22257417028 is an apocalyptic number.

22257417028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22257417028 is an abundant number, since it is smaller than the sum of its proper divisors (26328441020).

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

22257417028 is a wasteful number, since it uses less digits than its factorization.

22257417028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36064 (or 36062 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 22257417028 in words is "twenty-two billion, two hundred fifty-seven million, four hundred seventeen thousand, twenty-eight".