22042244020331 has 4 divisors (see below), whose sum is σ = 22050884651664. Its totient is φ = 22033603389000.

The previous prime is 22042244020309. The next prime is 22042244020367. The reversal of 22042244020331 is 13302044224022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22042244020331 - 2³⁰ = 22041170278507 is a prime.

It is a super-2 number, since 2×22042244020331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22042244020294 and 22042244020303.

It is not an unprimeable number, because it can be changed into a prime (22042244040331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4320311840 + ... + 4320316941.

It is an arithmetic number, because the mean of its divisors is an integer number (5512721162916).

Almost surely, 2^{22042244020331} is an apocalyptic number.

22042244020331 is a deficient number, since it is larger than the sum of its proper divisors (8640631333).

22042244020331 is an equidigital number, since it uses as much as digits as its factorization.

22042244020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640631332.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22042244020331 its reverse (13302044224022), we get a palindrome (35344288244353).

The spelling of 22042244020331 in words is "twenty-two trillion, forty-two billion, two hundred forty-four million, twenty thousand, three hundred thirty-one".