225236402 has 8 divisors (see below), whose sum is σ = 338242476. Its totient is φ = 112488912.

The previous prime is 225236399. The next prime is 225236449. The reversal of 225236402 is 204632522.

It can be written as a sum of positive squares in 2 ways, for example, as 208253761 + 16982641 = 14431^2 + 4121^2 .

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, 62453 + ... + 65960.

Almost surely, 2^225236402 is an apocalyptic number.

225236402 is a deficient number, since it is larger than the sum of its proper divisors (113006074).

225236402 is a wasteful number, since it uses less digits than its factorization.

225236402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129292.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 225236402 is about 15007.8779979050. The cubic root of 225236402 is about 608.4331390300.

Adding to 225236402 its reverse (204632522), we get a palindrome (429868924).

The spelling of 225236402 in words is "two hundred twenty-five million, two hundred thirty-six thousand, four hundred two".