22492004256 has 36 divisors (see below), whose sum is σ = 63961637922. Its totient is φ = 7497334656.

The previous prime is 22492004251. The next prime is 22492004263. The reversal of 22492004256 is 65240029422.

It is a happy number.

22492004256 is a `hidden beast` number, since 2 + 24 + 9 + 200 + 425 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19735754256 + 2756250000 = 140484^2 + 52500^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22492004256² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22492004256.

It is not an unprimeable number, because it can be changed into a prime (22492004251) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 39048331 + ... + 39048906.

Almost surely, 2^22492004256 is an apocalyptic number.

It is an amenable number.

22492004256 is an abundant number, since it is smaller than the sum of its proper divisors (41469633666).

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

22492004256 is a wasteful number, since it uses less digits than its factorization.

22492004256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78097253 (or 78097242 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 22492004256 in words is "twenty-two billion, four hundred ninety-two million, four thousand, two hundred fifty-six".