225232408 has 8 divisors (see below), whose sum is σ = 422310780. Its totient is φ = 112616200.

The previous prime is 225232367. The next prime is 225232421. The reversal of 225232408 is 804232522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×225232408² = 101459275226956928, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14077018 + ... + 14077033.

Almost surely, 2^225232408 is an apocalyptic number.

It is an amenable number.

225232408 is a deficient number, since it is larger than the sum of its proper divisors (197078372).

225232408 is a wasteful number, since it uses less digits than its factorization.

225232408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28154057 (or 28154053 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 225232408 is about 15007.7449338666. The cubic root of 225232408 is about 608.4295426659.

The spelling of 225232408 in words is "two hundred twenty-five million, two hundred thirty-two thousand, four hundred eight".