23564225 has 6 divisors (see below), whose sum is σ = 29219670. Its totient is φ = 18851360.

The previous prime is 23564207. The next prime is 23564231. The reversal of 23564225 is 52246532.

It can be written as a sum of positive squares in 3 ways, for example, as 456976 + 23107249 = 676^2 + 4807^2 .

It is not a de Polignac number, because 23564225 - 2¹² = 23560129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471260 + ... + 471309.

It is an arithmetic number, because the mean of its divisors is an integer number (4869945).

Almost surely, 2^23564225 is an apocalyptic number.

23564225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23564225 is a deficient number, since it is larger than the sum of its proper divisors (5655445).

23564225 is an equidigital number, since it uses as much as digits as its factorization.

23564225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942579 (or 942574 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 23564225 is about 4854.2996405249. The cubic root of 23564225 is about 286.6934166192.

The spelling of 23564225 in words is "twenty-three million, five hundred sixty-four thousand, two hundred twenty-five".