12222657631 has 8 divisors (see below), whose sum is σ = 12764003040. Its totient is φ = 11682139392.

The previous prime is 12222657617. The next prime is 12222657683. The reversal of 12222657631 is 13675622221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12222657631 - 2⁵ = 12222657599 is a prime.

It is a super-2 number, since 2×12222657631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222657131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176490 + ... + 235783.

It is an arithmetic number, because the mean of its divisors is an integer number (1595500380).

Almost surely, 2^12222657631 is an apocalyptic number.

12222657631 is a deficient number, since it is larger than the sum of its proper divisors (541345409).

12222657631 is a wasteful number, since it uses less digits than its factorization.

12222657631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413585.

The product of its digits is 60480, while the sum is 37.

The spelling of 12222657631 in words is "twelve billion, two hundred twenty-two million, six hundred fifty-seven thousand, six hundred thirty-one".