22871722756 has 9 divisors (see below), whose sum is σ = 40026044149. Its totient is φ = 11435710144.

The previous prime is 22871722751. The next prime is 22871722759. The reversal of 22871722756 is 65722717822.

The square root of 22871722756 is 151234.

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., 5967562500 + 16904160256 = 77250^2 + 130016^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22871722751) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 264660 + ... + 340276.

Almost surely, 2^22871722756 is an apocalyptic number.

22871722756 is the 151234-th square number.

It is an amenable number.

22871722756 is a deficient number, since it is larger than the sum of its proper divisors (17154321393).

22871722756 is an frugal number, since it uses more digits than its factorization.

22871722756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151238 (or 75619 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 49.

Multiplying 22871722756 by its sum of digits (49), we get a square (1120714415044 = 1058638²).

The spelling of 22871722756 in words is "twenty-two billion, eight hundred seventy-one million, seven hundred twenty-two thousand, seven hundred fifty-six".