225643364 has 12 divisors (see below), whose sum is σ = 394982784. Its totient is φ = 112791144.

The previous prime is 225643357. The next prime is 225643367. The reversal of 225643364 is 463346522.

225643364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (225643367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20549 + ... + 29555.

It is an arithmetic number, because the mean of its divisors is an integer number (32915232).

Almost surely, 2^225643364 is an apocalyptic number.

It is an amenable number.

225643364 is a deficient number, since it is larger than the sum of its proper divisors (169339420).

225643364 is a wasteful number, since it uses less digits than its factorization.

225643364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274 (or 15272 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 225643364 is about 15021.4301582772. The cubic root of 225643364 is about 608.7993619346.

Adding to 225643364 its reverse (463346522), we get a palindrome (688989886).

The spelling of 225643364 in words is "two hundred twenty-five million, six hundred forty-three thousand, three hundred sixty-four".