225474164 has 24 divisors (see below), whose sum is σ = 403368000. Its totient is φ = 110246400.

The previous prime is 225474143. The next prime is 225474169. The reversal of 225474164 is 461474522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225474169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44564 + ... + 49364.

It is an arithmetic number, because the mean of its divisors is an integer number (16807000).

Almost surely, 2^225474164 is an apocalyptic number.

It is an amenable number.

225474164 is a deficient number, since it is larger than the sum of its proper divisors (177893836).

225474164 is a wasteful number, since it uses less digits than its factorization.

225474164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5061 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 225474164 is about 15015.7971483368. The cubic root of 225474164 is about 608.6471532926.

The spelling of 225474164 in words is "two hundred twenty-five million, four hundred seventy-four thousand, one hundred sixty-four".