22915369 has 3 divisors (see below), whose sum is σ = 22920157. Its totient is φ = 22910582.

The previous prime is 22915363. The next prime is 22915381. The reversal of 22915369 is 96351922.

The square root of 22915369 is 4787.

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 22915369 - 2²³ = 14526761 is a prime.

It is a super-2 number, since 2×22915369² = 1050228272812322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22915363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2394 + ... + 7180.

Almost surely, 2^22915369 is an apocalyptic number.

22915369 is the 4787-th square number.

22915369 is the 2394-th centered octagonal number.

It is an amenable number.

22915369 is a deficient number, since it is larger than the sum of its proper divisors (4788).

22915369 is an frugal number, since it uses more digits than its factorization.

22915369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574 (or 4787 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The cubic root of 22915369 is about 284.0374586907.

The spelling of 22915369 in words is "twenty-two million, nine hundred fifteen thousand, three hundred sixty-nine".