237664225 has 12 divisors (see below), whose sum is σ = 301558576. Its totient is φ = 185708880.

The previous prime is 237664201. The next prime is 237664237. The reversal of 237664225 is 522466732.

It is not a de Polignac number, because 237664225 - 2¹⁹ = 237139937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109467 + ... + 111616.

Almost surely, 2^237664225 is an apocalyptic number.

237664225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

237664225 is a deficient number, since it is larger than the sum of its proper divisors (63894351).

237664225 is a wasteful number, since it uses less digits than its factorization.

237664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221136 (or 221131 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 237664225 is about 15416.3622492467. The cubic root of 237664225 is about 619.4238708039.

The spelling of 237664225 in words is "two hundred thirty-seven million, six hundred sixty-four thousand, two hundred twenty-five".