22442001143231 has 2 divisors, whose sum is σ = 22442001143232. Its totient is φ = 22442001143230.

The previous prime is 22442001143227. The next prime is 22442001143239. The reversal of 22442001143231 is 13234110024422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22442001143231 - 2² = 22442001143227 is a prime.

It is a super-2 number, since 2×22442001143231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22442001143194 and 22442001143203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22442001143239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221000571615 + 11221000571616.

It is an arithmetic number, because the mean of its divisors is an integer number (11221000571616).

Almost surely, 2^{22442001143231} is an apocalyptic number.

22442001143231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442001143231 is an equidigital number, since it uses as much as digits as its factorization.

22442001143231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22442001143231 its reverse (13234110024422), we get a palindrome (35676111167653).

The spelling of 22442001143231 in words is "twenty-two trillion, four hundred forty-two billion, one million, one hundred forty-three thousand, two hundred thirty-one".