22021403240031 has 32 divisors (see below), whose sum is σ = 32067385560000. Its totient is φ = 13360972889088.

The previous prime is 22021403239973. The next prime is 22021403240041. The reversal of 22021403240031 is 13004230412022.

It is a happy number.

It is not a de Polignac number, because 22021403240031 - 2⁷ = 22021403239903 is a prime.

It is a super-2 number, since 2×22021403240031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22021403239983 and 22021403240010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021403240041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7878016 + ... + 10300773.

It is an arithmetic number, because the mean of its divisors is an integer number (1002105798750).

Almost surely, 2^{22021403240031} is an apocalyptic number.

22021403240031 is a deficient number, since it is larger than the sum of its proper divisors (10045982319969).

22021403240031 is a wasteful number, since it uses less digits than its factorization.

22021403240031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179243.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22021403240031 its reverse (13004230412022), we get a palindrome (35025633652053).

The spelling of 22021403240031 in words is "twenty-two trillion, twenty-one billion, four hundred three million, two hundred forty thousand, thirty-one".