2222144344331 has 2 divisors, whose sum is σ = 2222144344332. Its totient is φ = 2222144344330.

The previous prime is 2222144344319. The next prime is 2222144344429. The reversal of 2222144344331 is 1334434412222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222144344331 is a prime.

It is a super-2 number, since 2×2222144344331² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222144344291 and 2222144344300.

It is not a weakly prime, because it can be changed into another prime (2222144340331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111072172165 + 1111072172166.

It is an arithmetic number, because the mean of its divisors is an integer number (1111072172166).

Almost surely, 2^{2222144344331} is an apocalyptic number.

2222144344331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222144344331 is an equidigital number, since it uses as much as digits as its factorization.

2222144344331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 35.

Adding to 2222144344331 its reverse (1334434412222), we get a palindrome (3556578756553).

The spelling of 2222144344331 in words is "two trillion, two hundred twenty-two billion, one hundred forty-four million, three hundred forty-four thousand, three hundred thirty-one".