22925491 has 4 divisors (see below), whose sum is σ = 22977000. Its totient is φ = 22873984.

The previous prime is 22925473. The next prime is 22925543. The reversal of 22925491 is 19452922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22925491 - 2¹³ = 22917299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22925471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25081 + ... + 25978.

It is an arithmetic number, because the mean of its divisors is an integer number (5744250).

Almost surely, 2^22925491 is an apocalyptic number.

22925491 is a deficient number, since it is larger than the sum of its proper divisors (51509).

22925491 is an equidigital number, since it uses as much as digits as its factorization.

22925491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51508.

The product of its digits is 12960, while the sum is 34.

The square root of 22925491 is about 4788.0571216309. The cubic root of 22925491 is about 284.0792734795.

The spelling of 22925491 in words is "twenty-two million, nine hundred twenty-five thousand, four hundred ninety-one".