225229089 has 4 divisors (see below), whose sum is σ = 300305456. Its totient is φ = 150152724.

The previous prime is 225229013. The next prime is 225229093. The reversal of 225229089 is 980922522.

225229089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 225229089 - 2⁸ = 225228833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225229189) 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, 37538179 + ... + 37538184.

It is an arithmetic number, because the mean of its divisors is an integer number (75076364).

Almost surely, 2^225229089 is an apocalyptic number.

It is an amenable number.

225229089 is a deficient number, since it is larger than the sum of its proper divisors (75076367).

225229089 is an equidigital number, since it uses as much as digits as its factorization.

225229089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75076366.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 225229089 is about 15007.6343572197. The cubic root of 225229089 is about 608.4265540676.

The spelling of 225229089 in words is "two hundred twenty-five million, two hundred twenty-nine thousand, eighty-nine".