225900369 has 12 divisors (see below), whose sum is σ = 345494916. Its totient is φ = 141741312.

The previous prime is 225900341. The next prime is 225900383. The reversal of 225900369 is 963009522.

225900369 is a `hidden beast` number, since 2 + 2 + 590 + 0 + 3 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 166410000 + 59490369 = 12900^2 + 7713^2 .

It is not a de Polignac number, because 225900369 - 2¹⁵ = 225867601 is a prime.

It is a super-2 number, since 2×225900369² = 102061953428672322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225900769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738084 + ... + 738389.

It is an arithmetic number, because the mean of its divisors is an integer number (28791243).

Almost surely, 2^225900369 is an apocalyptic number.

It is an amenable number.

225900369 is a deficient number, since it is larger than the sum of its proper divisors (119594547).

225900369 is a wasteful number, since it uses less digits than its factorization.

225900369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476496 (or 1476493 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 225900369 is about 15029.9823353190. The cubic root of 225900369 is about 609.0304125493.

The spelling of 225900369 in words is "two hundred twenty-five million, nine hundred thousand, three hundred sixty-nine".