225637763 has 4 divisors (see below), whose sum is σ = 242994528. Its totient is φ = 208281000.

The previous prime is 225637757. The next prime is 225637781. The reversal of 225637763 is 367736522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225637763 - 2²² = 221443459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225637763.

It is not an unprimeable number, because it can be changed into a prime (225637733) 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, 8678363 + ... + 8678388.

It is an arithmetic number, because the mean of its divisors is an integer number (60748632).

Almost surely, 2^225637763 is an apocalyptic number.

225637763 is a deficient number, since it is larger than the sum of its proper divisors (17356765).

225637763 is a wasteful number, since it uses less digits than its factorization.

225637763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17356764.

The product of its digits is 317520, while the sum is 41.

The square root of 225637763 is about 15021.2437234738. The cubic root of 225637763 is about 608.7943246147.

The spelling of 225637763 in words is "two hundred twenty-five million, six hundred thirty-seven thousand, seven hundred sixty-three".