225476418 has 16 divisors (see below), whose sum is σ = 451194336. Its totient is φ = 75118560.

The previous prime is 225476417. The next prime is 225476441. The reversal of 225476418 is 814674522.

It is a super-2 number, since 2×225476418² = 101679230148221448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225476417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3478 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (28199646).

Almost surely, 2^225476418 is an apocalyptic number.

225476418 is an abundant number, since it is smaller than the sum of its proper divisors (225717918).

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

225476418 is a wasteful number, since it uses less digits than its factorization.

225476418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20129.

The product of its digits is 107520, while the sum is 39.

The square root of 225476418 is about 15015.8722024397. The cubic root of 225476418 is about 608.6491814424.

The spelling of 225476418 in words is "two hundred twenty-five million, four hundred seventy-six thousand, four hundred eighteen".