22636220400056 has 8 divisors (see below), whose sum is σ = 42442913250120. Its totient is φ = 11318110200024.

The previous prime is 22636220400049. The next prime is 22636220400103. The reversal of 22636220400056 is 65000402263622.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22636220400056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22636220399992 and 22636220400019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414763774996 + ... + 1414763775011.

It is an arithmetic number, because the mean of its divisors is an integer number (5305364156265).

Almost surely, 2^{22636220400056} is an apocalyptic number.

It is an amenable number.

22636220400056 is a deficient number, since it is larger than the sum of its proper divisors (19806692850064).

22636220400056 is a wasteful number, since it uses less digits than its factorization.

22636220400056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829527550013 (or 2829527550009 counting only the distinct ones).

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

Adding to 22636220400056 its reverse (65000402263622), we get a palindrome (87636622663678).

The spelling of 22636220400056 in words is "twenty-two trillion, six hundred thirty-six billion, two hundred twenty million, four hundred thousand, fifty-six".