225346538 has 8 divisors (see below), whose sum is σ = 338137860. Its totient is φ = 112633920.

The previous prime is 225346519. The next prime is 225346573. The reversal of 225346538 is 835643522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168298729 + 57047809 = 12973^2 + 7553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11903 + ... + 24338.

Almost surely, 2^225346538 is an apocalyptic number.

225346538 is a deficient number, since it is larger than the sum of its proper divisors (112791322).

225346538 is a wasteful number, since it uses less digits than its factorization.

225346538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39352.

The product of its digits is 172800, while the sum is 38.

The square root of 225346538 is about 15011.5468223631. The cubic root of 225346538 is about 608.5322933294.

The spelling of 225346538 in words is "two hundred twenty-five million, three hundred forty-six thousand, five hundred thirty-eight".