225500636 has 24 divisors (see below), whose sum is σ = 409464720. Its totient is φ = 108534272.

The previous prime is 225500633. The next prime is 225500663. The reversal of 225500636 is 636005522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 225500599 and 225500608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225500633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38195 + ... + 43701.

It is an arithmetic number, because the mean of its divisors is an integer number (17061030).

Almost surely, 2^225500636 is an apocalyptic number.

It is an amenable number.

225500636 is a deficient number, since it is larger than the sum of its proper divisors (183964084).

225500636 is a wasteful number, since it uses less digits than its factorization.

225500636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 225500636 is about 15016.6785941499. The cubic root of 225500636 is about 608.6709719520.

The spelling of 225500636 in words is "two hundred twenty-five million, five hundred thousand, six hundred thirty-six".