22990443876 has 81 divisors (see below), whose sum is σ = 59815429401. Its totient is φ = 7445443104.

The previous prime is 22990443823. The next prime is 22990443929. The reversal of 22990443876 is 67834409922.

The square root of 22990443876 is 151626.

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

It is an interprime number because it is at equal distance from previous prime (22990443823) and next prime (22990443929).

It can be written as a sum of positive squares in only one way, i.e., 20572164900 + 2418278976 = 143430^2 + 49176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33660631 + ... + 33661313.

Almost surely, 2^22990443876 is an apocalyptic number.

22990443876 is the 151626-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22990443876

22990443876 is an abundant number, since it is smaller than the sum of its proper divisors (36824985525).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22990443876 is an equidigital number, since it uses as much as digits as its factorization.

22990443876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 22990443876 in words is "twenty-two billion, nine hundred ninety million, four hundred forty-three thousand, eight hundred seventy-six".