22566631123442 has 16 divisors (see below), whose sum is σ = 38990264801280. Its totient is φ = 9595260476928.

The previous prime is 22566631123429. The next prime is 22566631123457. The reversal of 22566631123442 is 24432113666522.

It is a super-2 number, since 2×22566631123442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346069967 + ... + 6346073522.

It is an arithmetic number, because the mean of its divisors is an integer number (2436891550080).

Almost surely, 2^{22566631123442} is an apocalyptic number.

22566631123442 is a deficient number, since it is larger than the sum of its proper divisors (16423633677838).

22566631123442 is a wasteful number, since it uses less digits than its factorization.

22566631123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692143625.

The product of its digits is 2488320, while the sum is 47.

Adding to 22566631123442 its reverse (24432113666522), we get a palindrome (46998744789964).

The spelling of 22566631123442 in words is "twenty-two trillion, five hundred sixty-six billion, six hundred thirty-one million, one hundred twenty-three thousand, four hundred forty-two".