23285225 has 12 divisors (see below), whose sum is σ = 29348940. Its totient is φ = 18321600.

The previous prime is 23285221. The next prime is 23285237. The reversal of 23285225 is 52258232.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4734976 + 18550249 = 2176^2 + 4307^2 .

It is not a de Polignac number, because 23285225 - 2² = 23285221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23285221) 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, 6110 + ... + 9159.

It is an arithmetic number, because the mean of its divisors is an integer number (2445745).

Almost surely, 2^23285225 is an apocalyptic number.

23285225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23285225 is a deficient number, since it is larger than the sum of its proper divisors (6063715).

23285225 is a wasteful number, since it uses less digits than its factorization.

23285225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340 (or 15335 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 23285225 is about 4825.4766603933. The cubic root of 23285225 is about 285.5574398064.

The spelling of 23285225 in words is "twenty-three million, two hundred eighty-five thousand, two hundred twenty-five".