225345544 has 64 divisors (see below), whose sum is σ = 451656000. Its totient is φ = 105235200.

The previous prime is 225345521. The next prime is 225345583. The reversal of 225345544 is 445543522.

It is a super-2 number, since 2×225345544² = 101561228401311872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382407 + ... + 1382569.

It is an arithmetic number, because the mean of its divisors is an integer number (7057125).

Almost surely, 2^225345544 is an apocalyptic number.

It is an amenable number.

225345544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

225345544 is a wasteful number, since it uses less digits than its factorization.

225345544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 354 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 225345544 is about 15011.5137144793. The cubic root of 225345544 is about 608.5313985860.

The spelling of 225345544 in words is "two hundred twenty-five million, three hundred forty-five thousand, five hundred forty-four".