225105634 has 12 divisors (see below), whose sum is σ = 365630706. Its totient is φ = 103894752.

The previous prime is 225105631. The next prime is 225105641. The reversal of 225105634 is 436501522.

It can be written as a sum of positive squares in 3 ways, for example, as 111619225 + 113486409 = 10565^2 + 10653^2 .

It is not an unprimeable number, because it can be changed into a prime (225105631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332659 + ... + 333334.

Almost surely, 2^225105634 is an apocalyptic number.

225105634 is a deficient number, since it is larger than the sum of its proper divisors (140525072).

225105634 is a wasteful number, since it uses less digits than its factorization.

225105634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666021 (or 666008 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 225105634 is about 15003.5207201510. The cubic root of 225105634 is about 608.3153679730.

The spelling of 225105634 in words is "two hundred twenty-five million, one hundred five thousand, six hundred thirty-four".