22564021310056 has 8 divisors (see below), whose sum is σ = 42307539956370. Its totient is φ = 11282010655024.

The previous prime is 22564021310003. The next prime is 22564021310057. The reversal of 22564021310056 is 65001312046522.

It can be written as a sum of positive squares in only one way, i.e., 22558985136900 + 5036173156 = 4749630^2 + 70966^2 .

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

It is a super-2 number, since 2×22564021310056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22564021309997 and 22564021310024.

It is not an unprimeable number, because it can be changed into a prime (22564021310057) by changing a digit.

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 as a sum of consecutive naturals, namely, 1410251331871 + ... + 1410251331886.

Almost surely, 2^{22564021310056} is an apocalyptic number.

It is an amenable number.

22564021310056 is a deficient number, since it is larger than the sum of its proper divisors (19743518646314).

22564021310056 is a wasteful number, since it uses less digits than its factorization.

22564021310056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820502663763 (or 2820502663759 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 22564021310056 its reverse (65001312046522), we get a palindrome (87565333356578).

The spelling of 22564021310056 in words is "twenty-two trillion, five hundred sixty-four billion, twenty-one million, three hundred ten thousand, fifty-six".