22244442349 has 2 divisors, whose sum is σ = 22244442350. Its totient is φ = 22244442348.

The previous prime is 22244442331. The next prime is 22244442383. The reversal of 22244442349 is 94324444222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13678939849 + 8565502500 = 116957^2 + 92550^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244442349 - 2⁵ = 22244442317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22244442749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122221174 + 11122221175.

It is an arithmetic number, because the mean of its divisors is an integer number (11122221175).

Almost surely, 2^22244442349 is an apocalyptic number.

It is an amenable number.

22244442349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244442349 is an equidigital number, since it uses as much as digits as its factorization.

22244442349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 40.

The spelling of 22244442349 in words is "twenty-two billion, two hundred forty-four million, four hundred forty-two thousand, three hundred forty-nine".