225576512 has 56 divisors (see below), whose sum is σ = 538520640. Its totient is φ = 91584000.

The previous prime is 225576509. The next prime is 225576523. The reversal of 225576512 is 215675522.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×225576512² = 101769525532172288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4739 + ... + 21762.

It is an arithmetic number, because the mean of its divisors is an integer number (9616440).

Almost surely, 2^225576512 is an apocalyptic number.

It is an amenable number.

225576512 is an abundant number, since it is smaller than the sum of its proper divisors (312944128).

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

225576512 is a wasteful number, since it uses less digits than its factorization.

225576512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26539 (or 26529 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 225576512 is about 15019.2047725570. The cubic root of 225576512 is about 608.7392324243.

The spelling of 225576512 in words is "two hundred twenty-five million, five hundred seventy-six thousand, five hundred twelve".