23372285 has 8 divisors (see below), whose sum is σ = 28119096. Its totient is φ = 18649600.

The previous prime is 23372281. The next prime is 23372339. The reversal of 23372285 is 58227332.

23372285 = 3418² + 3419².

It can be written as a sum of positive squares in 4 ways, for example, as 11682724 + 11689561 = 3418^2 + 3419^2 .

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

It is not a de Polignac number, because 23372285 - 2² = 23372281 is a prime.

It is a super-2 number, since 2×23372285² = 1092527412242450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23372281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3824 + ... + 7833.

It is an arithmetic number, because the mean of its divisors is an integer number (3514887).

Almost surely, 2^23372285 is an apocalyptic number.

23372285 is the 3419-th centered square number.

It is an amenable number.

23372285 is a deficient number, since it is larger than the sum of its proper divisors (4746811).

23372285 is a wasteful number, since it uses less digits than its factorization.

23372285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063.

The product of its digits is 20160, while the sum is 32.

The square root of 23372285 is about 4834.4891146842. The cubic root of 23372285 is about 285.9128828180.

The spelling of 23372285 in words is "twenty-three million, three hundred seventy-two thousand, two hundred eighty-five".