225870572 has 24 divisors (see below), whose sum is σ = 406560000. Its totient is φ = 109737936.

The previous prime is 225870571. The next prime is 225870581. The reversal of 225870572 is 275078522.

It is not an unprimeable number, because it can be changed into a prime (225870571) 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, 30929 + ... + 37527.

It is an arithmetic number, because the mean of its divisors is an integer number (16940000).

Almost surely, 2^225870572 is an apocalyptic number.

It is an amenable number.

225870572 is a deficient number, since it is larger than the sum of its proper divisors (180689428).

225870572 is a wasteful number, since it uses less digits than its factorization.

225870572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 225870572 is about 15028.9910506328. The cubic root of 225870572 is about 609.0036336686.

The spelling of 225870572 in words is "two hundred twenty-five million, eight hundred seventy thousand, five hundred seventy-two".