225566514 has 12 divisors (see below), whose sum is σ = 488727486. Its totient is φ = 75188832.

The previous prime is 225566501. The next prime is 225566531. The reversal of 225566514 is 415665522.

It can be written as a sum of positive squares in only one way, i.e., 213890625 + 11675889 = 14625^2 + 3417^2 .

It is a super-2 number, since 2×225566514² = 101760504476224392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6265719 + ... + 6265754.

Almost surely, 2^225566514 is an apocalyptic number.

225566514 is an abundant number, since it is smaller than the sum of its proper divisors (263160972).

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

225566514 is a wasteful number, since it uses less digits than its factorization.

225566514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531481 (or 12531478 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 225566514 is about 15018.8719283440. The cubic root of 225566514 is about 608.7302387799.

The spelling of 225566514 in words is "two hundred twenty-five million, five hundred sixty-six thousand, five hundred fourteen".