225925889 has 4 divisors (see below), whose sum is σ = 258201024. Its totient is φ = 193650756.

The previous prime is 225925871. The next prime is 225925891. The reversal of 225925889 is 988529522.

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 not a de Polignac number, because 225925889 - 2²⁴ = 209148673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225925289) 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, 16137557 + ... + 16137570.

It is an arithmetic number, because the mean of its divisors is an integer number (64550256).

Almost surely, 2^225925889 is an apocalyptic number.

It is an amenable number.

225925889 is a deficient number, since it is larger than the sum of its proper divisors (32275135).

225925889 is an equidigital number, since it uses as much as digits as its factorization.

225925889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32275134.

The product of its digits is 1036800, while the sum is 50.

The square root of 225925889 is about 15030.8312810703. The cubic root of 225925889 is about 609.0533457727.

The spelling of 225925889 in words is "two hundred twenty-five million, nine hundred twenty-five thousand, eight hundred eighty-nine".