22403731294564 has 9 divisors (see below), whose sum is σ = 39206546331897. Its totient is φ = 11201860914024.

The previous prime is 22403731294547. The next prime is 22403731294583. The reversal of 22403731294564 is 46549213730422.

The square root of 22403731294564 is 4733258.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22011504656164 + 392226638400 = 4691642^2 + 626280^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8283202 + ... + 10649830.

Almost surely, 2^{22403731294564} is an apocalyptic number.

22403731294564 is the 4733258-th square number.

It is an amenable number.

22403731294564 is a deficient number, since it is larger than the sum of its proper divisors (16802815037333).

22403731294564 is an frugal number, since it uses more digits than its factorization.

22403731294564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733262 (or 2366631 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 22403731294564 in words is "twenty-two trillion, four hundred three billion, seven hundred thirty-one million, two hundred ninety-four thousand, five hundred sixty-four".