22972555489 has 27 divisors (see below), whose sum is σ = 25351762809. Its totient is φ = 20807117760.

The previous prime is 22972555483. The next prime is 22972555513. The reversal of 22972555489 is 98455527922.

The square root of 22972555489 is 151567.

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

It can be written as a sum of positive squares in 4 ways, for example, as 10043046225 + 12929509264 = 100215^2 + 113708^2 .

It is not a de Polignac number, because 22972555489 - 2⁹ = 22972554977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22972555483) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 175362954 + ... + 175363084.

Almost surely, 2^22972555489 is an apocalyptic number.

22972555489 is the 151567-th square number.

22972555489 is the 75784-th centered octagonal number.

It is an amenable number.

22972555489 is a deficient number, since it is larger than the sum of its proper divisors (2379207320).

22972555489 is an frugal number, since it uses more digits than its factorization.

22972555489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 233 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 58.

The spelling of 22972555489 in words is "twenty-two billion, nine hundred seventy-two million, five hundred fifty-five thousand, four hundred eighty-nine".