225437924 has 12 divisors (see below), whose sum is σ = 394621500. Its totient is φ = 112688928.

The previous prime is 225437923. The next prime is 225437963. The reversal of 225437924 is 429734522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189557824 + 35880100 = 13768^2 + 5990^2 .

It is not an unprimeable number, because it can be changed into a prime (225437923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25562 + ... + 33230.

It is an arithmetic number, because the mean of its divisors is an integer number (32885125).

Almost surely, 2^225437924 is an apocalyptic number.

It is an amenable number.

225437924 is a deficient number, since it is larger than the sum of its proper divisors (169183576).

225437924 is a wasteful number, since it uses less digits than its factorization.

225437924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15022 (or 15020 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 225437924 is about 15014.5903707028. The cubic root of 225437924 is about 608.6145426758.

The spelling of 225437924 in words is "two hundred twenty-five million, four hundred thirty-seven thousand, nine hundred twenty-four".