225172271522 has 128 divisors (see below), whose sum is σ = 399210577920. Its totient is φ = 94289832000.

The previous prime is 225172271501. The next prime is 225172271539.

225172271522 is nontrivially palindromic in base 10.

225172271522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192289997 + ... + 192291167.

It is an arithmetic number, because the mean of its divisors is an integer number (3118832640).

Almost surely, 2^225172271522 is an apocalyptic number.

225172271522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225172271522 is a deficient number, since it is larger than the sum of its proper divisors (174038306398).

225172271522 is a wasteful number, since it uses less digits than its factorization.

225172271522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its digits is 78400, while the sum is 38.

It can be divided in two parts, 225172 and 271522, that added together give a palindrome (496694).

The spelling of 225172271522 in words is "two hundred twenty-five billion, one hundred seventy-two million, two hundred seventy-one thousand, five hundred twenty-two".