225770552 has 64 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 94838400.

The previous prime is 225770549. The next prime is 225770561. The reversal of 225770552 is 255077522.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012313 + ... + 1012535.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^225770552 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 225770552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758400).

225770552 is an abundant number, since it is smaller than the sum of its proper divisors (267746248).

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

225770552 is a wasteful number, since it uses less digits than its factorization.

225770552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 225770552 is about 15025.6631134869. The cubic root of 225770552 is about 608.9137274061.

The spelling of 225770552 in words is "two hundred twenty-five million, seven hundred seventy thousand, five hundred fifty-two".