22056132404 has 12 divisors (see below), whose sum is σ = 38599522500. Its totient is φ = 11027697408.

The previous prime is 22056132391. The next prime is 22056132407. The reversal of 22056132404 is 40423165022.

It can be written as a sum of positive squares in 2 ways, for example, as 3666060304 + 18390072100 = 60548^2 + 135610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056132407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76772 + ... + 223620.

It is an arithmetic number, because the mean of its divisors is an integer number (3216626875).

Almost surely, 2^22056132404 is an apocalyptic number.

It is an amenable number.

22056132404 is a deficient number, since it is larger than the sum of its proper divisors (16543390096).

22056132404 is a wasteful number, since it uses less digits than its factorization.

22056132404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184402 (or 184400 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22056132404 its reverse (40423165022), we get a palindrome (62479297426).

The spelling of 22056132404 in words is "twenty-two billion, fifty-six million, one hundred thirty-two thousand, four hundred four".