22877089 has 3 divisors (see below), whose sum is σ = 22881873. Its totient is φ = 22872306.

The previous prime is 22877081. The next prime is 22877093. The reversal of 22877089 is 98077822.

The square root of 22877089 is 4783.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 22877089 - 2³ = 22877081 is a prime.

It is a super-2 number, since 2×22877089² = 1046722402227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22877081) 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, 2392 + ... + 7174.

It is an arithmetic number, because the mean of its divisors is an integer number (7627291).

Almost surely, 2^22877089 is an apocalyptic number.

22877089 is the 4783-rd square number.

22877089 is the 2392-nd centered octagonal number.

It is an amenable number.

22877089 is a deficient number, since it is larger than the sum of its proper divisors (4784).

22877089 is an frugal number, since it uses more digits than its factorization.

22877089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The cubic root of 22877089 is about 283.8792095269.

Multiplying 22877089 by its product of nonzero digits (112896), we get a square (2582731839744 = 1607088²).

The spelling of 22877089 in words is "twenty-two million, eight hundred seventy-seven thousand, eighty-nine".