22556541261644 has 48 divisors (see below), whose sum is σ = 45017489619648. Its totient is φ = 9796907501568.

The previous prime is 22556541261643. The next prime is 22556541261721. The reversal of 22556541261644 is 44616214565522.

It is not an unprimeable number, because it can be changed into a prime (22556541261643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4327592 + ... + 7990064.

It is an arithmetic number, because the mean of its divisors is an integer number (937864367076).

Almost surely, 2^{22556541261644} is an apocalyptic number.

It is an amenable number.

22556541261644 is a deficient number, since it is larger than the sum of its proper divisors (22460948358004).

22556541261644 is a wasteful number, since it uses less digits than its factorization.

22556541261644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669474 (or 3669472 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 53.

The spelling of 22556541261644 in words is "twenty-two trillion, five hundred fifty-six billion, five hundred forty-one million, two hundred sixty-one thousand, six hundred forty-four".