225364394 has 16 divisors (see below), whose sum is σ = 351945000. Its totient is φ = 108099264.

The previous prime is 225364343. The next prime is 225364397. The reversal of 225364394 is 493463522.

It can be written as a sum of positive squares in 4 ways, for example, as 219780625 + 5583769 = 14825^2 + 2363^2 .

It is a super-2 number, since 2×225364394² = 101578220165974472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225364397) 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, 3269 + ... + 21480.

Almost surely, 2^225364394 is an apocalyptic number.

225364394 is a deficient number, since it is larger than the sum of its proper divisors (126580606).

225364394 is a wasteful number, since it uses less digits than its factorization.

225364394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24937.

The product of its digits is 155520, while the sum is 38.

The square root of 225364394 is about 15012.1415527566. The cubic root of 225364394 is about 608.5483658574.

The spelling of 225364394 in words is "two hundred twenty-five million, three hundred sixty-four thousand, three hundred ninety-four".