22204020042331 has 16 divisors (see below), whose sum is σ = 22573632948768. Its totient is φ = 21837475878400.

The previous prime is 22204020042317. The next prime is 22204020042383. The reversal of 22204020042331 is 13324002040222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22204020042331 is a prime.

It is a super-2 number, since 2×22204020042331² (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 = 22204020042296 and 22204020042305.

It is not an unprimeable number, because it can be changed into a prime (22204020042131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171605721 + ... + 171735061.

It is an arithmetic number, because the mean of its divisors is an integer number (1410852059298).

Almost surely, 2^{22204020042331} is an apocalyptic number.

22204020042331 is a deficient number, since it is larger than the sum of its proper divisors (369612906437).

22204020042331 is a wasteful number, since it uses less digits than its factorization.

22204020042331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141182.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22204020042331 its reverse (13324002040222), we get a palindrome (35528022082553).

The spelling of 22204020042331 in words is "twenty-two trillion, two hundred four billion, twenty million, forty-two thousand, three hundred thirty-one".