22744872331 has 2 divisors, whose sum is σ = 22744872332. Its totient is φ = 22744872330.

The previous prime is 22744872301. The next prime is 22744872377. The reversal of 22744872331 is 13327844722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22744872331 is a prime.

It is a super-2 number, since 2×22744872331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22744872301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11372436165 + 11372436166.

It is an arithmetic number, because the mean of its divisors is an integer number (11372436166).

Almost surely, 2^22744872331 is an apocalyptic number.

22744872331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22744872331 is an equidigital number, since it uses as much as digits as its factorization.

22744872331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 43.

The spelling of 22744872331 in words is "twenty-two billion, seven hundred forty-four million, eight hundred seventy-two thousand, three hundred thirty-one".