22022131056556 has 24 divisors (see below), whose sum is σ = 39237254023520. Its totient is φ = 10812804400512.

The previous prime is 22022131056553. The next prime is 22022131056593. The reversal of 22022131056556 is 65565013122022.

It is a super-2 number, since 2×22022131056556² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022131056551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164601816 + ... + 164735551.

Almost surely, 2^{22022131056556} is an apocalyptic number.

It is an amenable number.

22022131056556 is a deficient number, since it is larger than the sum of its proper divisors (17215122966964).

22022131056556 is a wasteful number, since it uses less digits than its factorization.

22022131056556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329337673 (or 329337671 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 22022131056556 its reverse (65565013122022), we get a palindrome (87587144178578).

The spelling of 22022131056556 in words is "twenty-two trillion, twenty-two billion, one hundred thirty-one million, fifty-six thousand, five hundred fifty-six".