225553864 has 16 divisors (see below), whose sum is σ = 445172400. Its totient is φ = 106841232.

The previous prime is 225553859. The next prime is 225553879. The reversal of 225553864 is 468355522.

It is a happy number.

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, 741802 + ... + 742105.

It is an arithmetic number, because the mean of its divisors is an integer number (27823275).

Almost surely, 2^225553864 is an apocalyptic number.

It is an amenable number.

225553864 is a deficient number, since it is larger than the sum of its proper divisors (219618536).

225553864 is a wasteful number, since it uses less digits than its factorization.

225553864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483932 (or 1483928 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 225553864 is about 15018.4507856170. The cubic root of 225553864 is about 608.7188591631.

The spelling of 225553864 in words is "two hundred twenty-five million, five hundred fifty-three thousand, eight hundred sixty-four".