225563369 has 4 divisors (see below), whose sum is σ = 235370496. Its totient is φ = 215756244.

The previous prime is 225563329. The next prime is 225563381. The reversal of 225563369 is 963365522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225563369 is a prime.

It is a super-2 number, since 2×225563369² = 101757666869260322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225563329) 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, 4903529 + ... + 4903574.

It is an arithmetic number, because the mean of its divisors is an integer number (58842624).

Almost surely, 2^225563369 is an apocalyptic number.

It is an amenable number.

225563369 is a deficient number, since it is larger than the sum of its proper divisors (9807127).

225563369 is an equidigital number, since it uses as much as digits as its factorization.

225563369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807126.

The product of its digits is 291600, while the sum is 41.

The square root of 225563369 is about 15018.7672263738. The cubic root of 225563369 is about 608.7274096580.

The spelling of 225563369 in words is "two hundred twenty-five million, five hundred sixty-three thousand, three hundred sixty-nine".