22043312631819 has 6 divisors (see below), whose sum is σ = 31840340468196. Its totient is φ = 14695541754540.

The previous prime is 22043312631763. The next prime is 22043312631877. The reversal of 22043312631819 is 91813621334022.

It is a happy number.

22043312631819 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 3 + 3 + 1 + 2 + 631 + 8 + 1 + 9 = 666.

It is not a de Polignac number, because 22043312631819 - 2¹¹ = 22043312629771 is a prime.

It is a super-2 number, since 2×22043312631819² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22043312631889) 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 5 ways as a sum of consecutive naturals, for example, 1224628479537 + ... + 1224628479554.

It is an arithmetic number, because the mean of its divisors is an integer number (5306723411366).

Almost surely, 2^{22043312631819} is an apocalyptic number.

22043312631819 is a deficient number, since it is larger than the sum of its proper divisors (9797027836377).

22043312631819 is a wasteful number, since it uses less digits than its factorization.

22043312631819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449256959097 (or 2449256959094 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 22043312631819 in words is "twenty-two trillion, forty-three billion, three hundred twelve million, six hundred thirty-one thousand, eight hundred nineteen".