225190899 has 12 divisors (see below), whose sum is σ = 325556400. Its totient is φ = 149997744.

The previous prime is 225190883. The next prime is 225190921. The reversal of 225190899 is 998091522.

It is not a de Polignac number, because 225190899 - 2⁴ = 225190883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225190859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 882 + ... + 21240.

It is an arithmetic number, because the mean of its divisors is an integer number (27129700).

Almost surely, 2^225190899 is an apocalyptic number.

225190899 is a deficient number, since it is larger than the sum of its proper divisors (100365501).

225190899 is a wasteful number, since it uses less digits than its factorization.

225190899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21594 (or 21591 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 225190899 is about 15006.3619508527. The cubic root of 225190899 is about 608.3921637148.

The spelling of 225190899 in words is "two hundred twenty-five million, one hundred ninety thousand, eight hundred ninety-nine".