22274344439 has 2 divisors, whose sum is σ = 22274344440. Its totient is φ = 22274344438.

The previous prime is 22274344403. The next prime is 22274344441. The reversal of 22274344439 is 93444347222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22274344439 is a prime.

It is a super-2 number, since 2×22274344439² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 22274344441, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22274344439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22274344459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137172219 + 11137172220.

It is an arithmetic number, because the mean of its divisors is an integer number (11137172220).

Almost surely, 2^22274344439 is an apocalyptic number.

22274344439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22274344439 is an equidigital number, since it uses as much as digits as its factorization.

22274344439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 44.

The spelling of 22274344439 in words is "twenty-two billion, two hundred seventy-four million, three hundred forty-four thousand, four hundred thirty-nine".