225174020 has 24 divisors (see below), whose sum is σ = 478566144. Its totient is φ = 88983776.

The previous prime is 225174007. The next prime is 225174041. The reversal of 225174020 is 20471522.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 66164 + ... + 69483.

It is an arithmetic number, because the mean of its divisors is an integer number (19940256).

Almost surely, 2^225174020 is an apocalyptic number.

225174020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225174020 is an abundant number, since it is smaller than the sum of its proper divisors (253392124).

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

225174020 is a wasteful number, since it uses less digits than its factorization.

225174020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135739 (or 135737 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 225174020 is about 15005.7995455091. The cubic root of 225174020 is about 608.3769628223.

The spelling of 225174020 in words is "two hundred twenty-five million, one hundred seventy-four thousand, twenty".