225805090179 has 4 divisors (see below), whose sum is σ = 301073453576. Its totient is φ = 150536726784.

The previous prime is 225805090157. The next prime is 225805090219. The reversal of 225805090179 is 971090508522.

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

It is not a de Polignac number, because 225805090179 - 2¹² = 225805086083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225805090109) 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, 37634181694 + ... + 37634181699.

It is an arithmetic number, because the mean of its divisors is an integer number (75268363394).

Almost surely, 2^225805090179 is an apocalyptic number.

225805090179 is a deficient number, since it is larger than the sum of its proper divisors (75268363397).

225805090179 is an equidigital number, since it uses as much as digits as its factorization.

225805090179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75268363396.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 225805090179 in words is "two hundred twenty-five billion, eight hundred five million, ninety thousand, one hundred seventy-nine".