225368885 has 24 divisors (see below), whose sum is σ = 318931416. Its totient is φ = 152409600.

The previous prime is 225368873. The next prime is 225368911. The reversal of 225368885 is 588863522.

It can be written as a sum of positive squares in 4 ways, for example, as 16826404 + 208542481 = 4102^2 + 14441^2 .

It is a de Polignac number, because none of the positive numbers 2^k-225368885 is a prime.

It is a super-2 number, since 2×225368885² = 101582268652286450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11585 + ... + 24185.

It is an arithmetic number, because the mean of its divisors is an integer number (13288809).

Almost surely, 2^225368885 is an apocalyptic number.

It is an amenable number.

225368885 is a deficient number, since it is larger than the sum of its proper divisors (93562531).

225368885 is a wasteful number, since it uses less digits than its factorization.

225368885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12693 (or 12686 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The square root of 225368885 is about 15012.2911309367. The cubic root of 225368885 is about 608.5524081591.

The spelling of 225368885 in words is "two hundred twenty-five million, three hundred sixty-eight thousand, eight hundred eighty-five".