225581063 has 4 divisors (see below), whose sum is σ = 225839160. Its totient is φ = 225322968.

The previous prime is 225581039. The next prime is 225581071. The reversal of 225581063 is 360185522.

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 225581063 - 2⁸ = 225580807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225581003) 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, 127733 + ... + 129486.

It is an arithmetic number, because the mean of its divisors is an integer number (56459790).

Almost surely, 2^225581063 is an apocalyptic number.

225581063 is a deficient number, since it is larger than the sum of its proper divisors (258097).

225581063 is an equidigital number, since it uses as much as digits as its factorization.

225581063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258096.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 225581063 is about 15019.3562778170. The cubic root of 225581063 is about 608.7433261626.

The spelling of 225581063 in words is "two hundred twenty-five million, five hundred eighty-one thousand, sixty-three".