22456040636 has 24 divisors (see below), whose sum is σ = 40072547424. Its totient is φ = 11008900800.

The previous prime is 22456040627. The next prime is 22456040657. The reversal of 22456040636 is 63604065422.

It is a super-2 number, since 2×22456040636² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22456040636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228215 + ... + 311438.

It is an arithmetic number, because the mean of its divisors is an integer number (1669689476).

Almost surely, 2^22456040636 is an apocalyptic number.

It is an amenable number.

22456040636 is a deficient number, since it is larger than the sum of its proper divisors (17616506788).

22456040636 is a wasteful number, since it uses less digits than its factorization.

22456040636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539861 (or 539859 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 22456040636 in words is "twenty-two billion, four hundred fifty-six million, forty thousand, six hundred thirty-six".