22925287 has 12 divisors (see below), whose sum is σ = 29093256. Its totient is φ = 17863440.

The previous prime is 22925269. The next prime is 22925291. The reversal of 22925287 is 78252922.

It is not a de Polignac number, because 22925287 - 2⁷ = 22925159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22925387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20728 + ... + 21805.

It is an arithmetic number, because the mean of its divisors is an integer number (2424438).

Almost surely, 2^22925287 is an apocalyptic number.

22925287 is a deficient number, since it is larger than the sum of its proper divisors (6167969).

22925287 is a wasteful number, since it uses less digits than its factorization.

22925287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42558 (or 42551 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 22925287 is about 4788.0358185795. The cubic root of 22925287 is about 284.0784308608.

The spelling of 22925287 in words is "twenty-two million, nine hundred twenty-five thousand, two hundred eighty-seven".