225131131522 has 16 divisors (see below), whose sum is σ = 368433054144. Its totient is φ = 102322150000.

The previous prime is 225131131517. The next prime is 225131131553.

225131131522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280729 + ... + 727372.

It is an arithmetic number, because the mean of its divisors is an integer number (23027065884).

Almost surely, 2^225131131522 is an apocalyptic number.

225131131522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225131131522 is a deficient number, since it is larger than the sum of its proper divisors (143301922622).

225131131522 is a wasteful number, since it uses less digits than its factorization.

225131131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018265.

The product of its digits is 3600, while the sum is 28.

It can be divided in two parts, 225131 and 131522, that added together give a palindrome (356653).

The spelling of 225131131522 in words is "two hundred twenty-five billion, one hundred thirty-one million, one hundred thirty-one thousand, five hundred twenty-two".