225979744 has 24 divisors (see below), whose sum is σ = 451542168. Its totient is φ = 111302400.

The previous prime is 225979709. The next prime is 225979763. The reversal of 225979744 is 447979522.

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 in 3 ways as a sum of consecutive naturals, for example, 50557 + ... + 54844.

It is an arithmetic number, because the mean of its divisors is an integer number (18814257).

Almost surely, 2^225979744 is an apocalyptic number.

It is an amenable number.

225979744 is a deficient number, since it is larger than the sum of its proper divisors (225562424).

225979744 is a wasteful number, since it uses less digits than its factorization.

225979744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105478 (or 105470 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 225979744 is about 15032.6226587379. The cubic root of 225979744 is about 609.1017362164.

The spelling of 225979744 in words is "two hundred twenty-five million, nine hundred seventy-nine thousand, seven hundred forty-four".