22631272105 has 8 divisors (see below), whose sum is σ = 29246567112. Its totient is φ = 16712323968.

The previous prime is 22631272093. The next prime is 22631272133. The reversal of 22631272105 is 50127213622.

It can be written as a sum of positive squares in 4 ways, for example, as 2117012121 + 20514259984 = 46011^2 + 143228^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22631272105 - 2⁷ = 22631271977 is a prime.

It is a super-2 number, since 2×22631272105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 174086644 + ... + 174086773.

It is an arithmetic number, because the mean of its divisors is an integer number (3655820889).

Almost surely, 2^22631272105 is an apocalyptic number.

It is an amenable number.

22631272105 is a deficient number, since it is larger than the sum of its proper divisors (6615295007).

22631272105 is a wasteful number, since it uses less digits than its factorization.

22631272105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348173435.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 22631272105 its reverse (50127213622), we get a palindrome (72758485727).

The spelling of 22631272105 in words is "twenty-two billion, six hundred thirty-one million, two hundred seventy-two thousand, one hundred five".