204552225 has 108 divisors (see below), whose sum is σ = 404366976. Its totient is φ = 98609280.

The previous prime is 204552223. The next prime is 204552241. The reversal of 204552225 is 522255402.

It is not a de Polignac number, because 204552225 - 2¹ = 204552223 is a prime.

It is a super-2 number, since 2×204552225² = 83683225504901250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204552223) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4352152 + ... + 4352198.

Almost surely, 2^204552225 is an apocalyptic number.

204552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204552225 is a deficient number, since it is larger than the sum of its proper divisors (199814751).

204552225 is a wasteful number, since it uses less digits than its factorization.

204552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 204552225 is about 14302.1755338130. The cubic root of 204552225 is about 589.2072326808.

The spelling of 204552225 in words is "two hundred four million, five hundred fifty-two thousand, two hundred twenty-five".