225525774 has 48 divisors (see below), whose sum is σ = 485227008. Its totient is φ = 69856128.

The previous prime is 225525743. The next prime is 225525799. The reversal of 225525774 is 477525522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143139 + ... + 144705.

It is an arithmetic number, because the mean of its divisors is an integer number (10108896).

Almost surely, 2^225525774 is an apocalyptic number.

225525774 is an abundant number, since it is smaller than the sum of its proper divisors (259701234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225525774 is a wasteful number, since it uses less digits than its factorization.

225525774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1672 counting only the distinct ones).

The product of its digits is 196000, while the sum is 39.

The square root of 225525774 is about 15017.5155734895. The cubic root of 225525774 is about 608.6935885953.

The spelling of 225525774 in words is "two hundred twenty-five million, five hundred twenty-five thousand, seven hundred seventy-four".