225204556 has 12 divisors (see below), whose sum is σ = 397934992. Its totient is φ = 111508848.

The previous prime is 225204547. The next prime is 225204563. The reversal of 225204556 is 655402522.

It is a happy number.

225204556 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×225204556³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272895 + ... + 273718.

Almost surely, 2^225204556 is an apocalyptic number.

It is an amenable number.

225204556 is a deficient number, since it is larger than the sum of its proper divisors (172730436).

225204556 is a wasteful number, since it uses less digits than its factorization.

225204556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546720 (or 546718 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 225204556 is about 15006.8169842908. The cubic root of 225204556 is about 608.4044623821.

The spelling of 225204556 in words is "two hundred twenty-five million, two hundred four thousand, five hundred fifty-six".