204222825 has 18 divisors (see below), whose sum is σ = 365786174. Its totient is φ = 108918720.

The previous prime is 204222817. The next prime is 204222857. The reversal of 204222825 is 528222402.

It can be written as a sum of positive squares in 3 ways, for example, as 56746089 + 147476736 = 7533^2 + 12144^2 .

It is not a de Polignac number, because 204222825 - 2³ = 204222817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 453604 + ... + 454053.

Almost surely, 2^204222825 is an apocalyptic number.

204222825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204222825 is a deficient number, since it is larger than the sum of its proper divisors (161563349).

204222825 is a wasteful number, since it uses less digits than its factorization.

204222825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907673 (or 907665 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 204222825 is about 14290.6551634276. The cubic root of 204222825 is about 588.8907867837.

The spelling of 204222825 in words is "two hundred four million, two hundred twenty-two thousand, eight hundred twenty-five".