225155644399 has 6 divisors (see below), whose sum is σ = 261915749664. Its totient is φ = 192990552300.

The previous prime is 225155644367. The next prime is 225155644457. The reversal of 225155644399 is 993446551522.

It is not a de Polignac number, because 225155644399 - 2⁵ = 225155644367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225155644309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2297506527 + ... + 2297506624.

It is an arithmetic number, because the mean of its divisors is an integer number (43652624944).

Almost surely, 2^225155644399 is an apocalyptic number.

225155644399 is a deficient number, since it is larger than the sum of its proper divisors (36760105265).

225155644399 is an equidigital number, since it uses as much as digits as its factorization.

225155644399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595013165 (or 4595013158 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 55.

The spelling of 225155644399 in words is "two hundred twenty-five billion, one hundred fifty-five million, six hundred forty-four thousand, three hundred ninety-nine".