225166634 has 32 divisors (see below), whose sum is σ = 421932672. Its totient is φ = 87552000.

The previous prime is 225166621. The next prime is 225166637. The reversal of 225166634 is 436661522.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 225166594 and 225166603.

It is not an unprimeable number, because it can be changed into a prime (225166637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97574 + ... + 99854.

It is an arithmetic number, because the mean of its divisors is an integer number (13185396).

Almost surely, 2^225166634 is an apocalyptic number.

225166634 is a deficient number, since it is larger than the sum of its proper divisors (196766038).

225166634 is a wasteful number, since it uses less digits than its factorization.

225166634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its digits is 51840, while the sum is 35.

The square root of 225166634 is about 15005.5534386440. The cubic root of 225166634 is about 608.3703108984.

The spelling of 225166634 in words is "two hundred twenty-five million, one hundred sixty-six thousand, six hundred thirty-four".