23225691 has 8 divisors (see below), whose sum is σ = 31047184. Its totient is φ = 15444000.

The previous prime is 23225669. The next prime is 23225701. The reversal of 23225691 is 19652232.

23225691 = 15² + 16² + ... + 411².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23225691 - 2⁶ = 23225627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23225651) 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 7 ways as a sum of consecutive naturals, for example, 8560 + ... + 10941.

It is an arithmetic number, because the mean of its divisors is an integer number (3880898).

Almost surely, 2^23225691 is an apocalyptic number.

23225691 is a deficient number, since it is larger than the sum of its proper divisors (7821493).

23225691 is a wasteful number, since it uses less digits than its factorization.

23225691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19901.

The product of its digits is 6480, while the sum is 30.

The square root of 23225691 is about 4819.3039953919. The cubic root of 23225691 is about 285.3138678176.

The spelling of 23225691 in words is "twenty-three million, two hundred twenty-five thousand, six hundred ninety-one".