225331402 has 8 divisors (see below), whose sum is σ = 338101956. Its totient is φ = 112630752.

The previous prime is 225331399. The next prime is 225331417. The reversal of 225331402 is 204133522.

225331402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 225030001 + 301401 = 15001^2 + 549^2 .

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, 8493 + ... + 22864.

Almost surely, 2^225331402 is an apocalyptic number.

225331402 is a deficient number, since it is larger than the sum of its proper divisors (112770554).

225331402 is a wasteful number, since it uses less digits than its factorization.

225331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34952.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 225331402 is about 15011.0426686490. The cubic root of 225331402 is about 608.5186684606.

Adding to 225331402 its reverse (204133522), we get a palindrome (429464924).

The spelling of 225331402 in words is "two hundred twenty-five million, three hundred thirty-one thousand, four hundred two".