225839799 has 16 divisors (see below), whose sum is σ = 335312640. Its totient is φ = 150229080.

The previous prime is 225839797. The next prime is 225839819. The reversal of 225839799 is 997938522.

It is not a de Polignac number, because 225839799 - 2¹ = 225839797 is a prime.

It is a super-2 number, since 2×225839799² = 102007229624720802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225839797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654 + ... + 21564.

It is an arithmetic number, because the mean of its divisors is an integer number (20957040).

Almost surely, 2^225839799 is an apocalyptic number.

225839799 is a deficient number, since it is larger than the sum of its proper divisors (109472841).

225839799 is a wasteful number, since it uses less digits than its factorization.

225839799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18387 (or 18381 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 225839799 is about 15027.9672278056. The cubic root of 225839799 is about 608.9759751740.

The spelling of 225839799 in words is "two hundred twenty-five million, eight hundred thirty-nine thousand, seven hundred ninety-nine".