225569099405764 has 27 divisors (see below), whose sum is σ = 395034987550413. Its totient is φ = 112702020528672.

The previous prime is 225569099405693. The next prime is 225569099405921. The reversal of 225569099405764 is 467504990965522.

The square root of 225569099405764 is 15018958.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 183716066556100 + 41853032849664 = 13554190^2 + 6469392^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76386418912 + ... + 76386421864.

Almost surely, 2^{225569099405764} is an apocalyptic number.

225569099405764 is the 15018958-th square number.

It is an amenable number.

225569099405764 is a deficient number, since it is larger than the sum of its proper divisors (169465888144649).

225569099405764 is an frugal number, since it uses more digits than its factorization.

225569099405764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10996 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 1469664000, while the sum is 73.

The spelling of 225569099405764 in words is "two hundred twenty-five trillion, five hundred sixty-nine billion, ninety-nine million, four hundred five thousand, seven hundred sixty-four".