225245808 has 120 divisors (see below), whose sum is σ = 672242688. Its totient is φ = 70240896.

The previous prime is 225245791. The next prime is 225245837. The reversal of 225245808 is 808542522.

225245808 is a `hidden beast` number, since 22 + 52 + 4 + 580 + 8 = 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, 154941 + ... + 156387.

Almost surely, 2^225245808 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 225245808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336121344).

225245808 is an abundant number, since it is smaller than the sum of its proper divisors (446996880).

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

225245808 is a wasteful number, since it uses less digits than its factorization.

225245808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 225245808 is about 15008.1913633855. The cubic root of 225245808 is about 608.4416084165.

The spelling of 225245808 in words is "two hundred twenty-five million, two hundred forty-five thousand, eight hundred eight".