22131320400022 has 16 divisors (see below), whose sum is σ = 33439875955200. Its totient is φ = 10984784401152.

The previous prime is 22131320399833. The next prime is 22131320400023. The reversal of 22131320400022 is 22000402313122.

It is a junction number, because it is equal to n+sod(n) for n = 22131320399966 and 22131320400002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131320400023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21833403 + ... + 22824550.

It is an arithmetic number, because the mean of its divisors is an integer number (2089992247200).

Almost surely, 2^{22131320400022} is an apocalyptic number.

22131320400022 is a deficient number, since it is larger than the sum of its proper divisors (11308555555178).

22131320400022 is a wasteful number, since it uses less digits than its factorization.

22131320400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44659767.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22131320400022 its reverse (22000402313122), we get a palindrome (44131722713144).

The spelling of 22131320400022 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred twenty million, four hundred thousand, twenty-two".