225289276 has 12 divisors (see below), whose sum is σ = 406974400. Its totient is φ = 109010880.

The previous prime is 225289271. The next prime is 225289279. The reversal of 225289276 is 672982522.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225289271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908301 + ... + 908548.

Almost surely, 2^225289276 is an apocalyptic number.

It is an amenable number.

225289276 is a deficient number, since it is larger than the sum of its proper divisors (181685124).

225289276 is a wasteful number, since it uses less digits than its factorization.

225289276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816884 (or 1816882 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 225289276 is about 15009.6394360424. The cubic root of 225289276 is about 608.4807449772.

The spelling of 225289276 in words is "two hundred twenty-five million, two hundred eighty-nine thousand, two hundred seventy-six".