225485924 has 6 divisors (see below), whose sum is σ = 394600374. Its totient is φ = 112742960.

The previous prime is 225485917. The next prime is 225485927. The reversal of 225485924 is 429584522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149621824 + 75864100 = 12232^2 + 8710^2 .

It is not an unprimeable number, because it can be changed into a prime (225485927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28185737 + ... + 28185744.

It is an arithmetic number, because the mean of its divisors is an integer number (65766729).

Almost surely, 2^225485924 is an apocalyptic number.

It is an amenable number.

225485924 is a deficient number, since it is larger than the sum of its proper divisors (169114450).

225485924 is a wasteful number, since it uses less digits than its factorization.

225485924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56371485 (or 56371483 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 225485924 is about 15016.1887308331. The cubic root of 225485924 is about 608.6577347948.

The spelling of 225485924 in words is "two hundred twenty-five million, four hundred eighty-five thousand, nine hundred twenty-four".