225009179 has 4 divisors (see below), whose sum is σ = 225950880. Its totient is φ = 224067480.

The previous prime is 225009157. The next prime is 225009181. The reversal of 225009179 is 971900522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225009179 - 2²⁰ = 223960603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225009139) 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, 470492 + ... + 470969.

It is an arithmetic number, because the mean of its divisors is an integer number (56487720).

Almost surely, 2^225009179 is an apocalyptic number.

225009179 is a deficient number, since it is larger than the sum of its proper divisors (941701).

225009179 is an equidigital number, since it uses as much as digits as its factorization.

225009179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941700.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 225009179 is about 15000.3059635462. The cubic root of 225009179 is about 608.2284703385.

The spelling of 225009179 in words is "two hundred twenty-five million, nine thousand, one hundred seventy-nine".