225195804 has 72 divisors (see below), whose sum is σ = 605758608. Its totient is φ = 70295040.

The previous prime is 225195799. The next prime is 225195827. The reversal of 225195804 is 408591522.

225195804 is a `hidden beast` number, since 22 + 51 + 9 + 580 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138114 + ... + 139734.

It is an arithmetic number, because the mean of its divisors is an integer number (8413314).

Almost surely, 2^225195804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225195804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302879304).

225195804 is an abundant number, since it is smaller than the sum of its proper divisors (380562804).

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

225195804 is a wasteful number, since it uses less digits than its factorization.

225195804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 225195804 is about 15006.5253806469. The cubic root of 225195804 is about 608.3965809180.

The spelling of 225195804 in words is "two hundred twenty-five million, one hundred ninety-five thousand, eight hundred four".