22344613409 has 2 divisors, whose sum is σ = 22344613410. Its totient is φ = 22344613408.

The previous prime is 22344613363. The next prime is 22344613433. The reversal of 22344613409 is 90431644322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21110637025 + 1233976384 = 145295^2 + 35128^2 .

It is a cyclic number.

It is not a de Polignac number, because 22344613409 - 2²⁰ = 22343564833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22344613469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172306704 + 11172306705.

It is an arithmetic number, because the mean of its divisors is an integer number (11172306705).

Almost surely, 2^22344613409 is an apocalyptic number.

It is an amenable number.

22344613409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22344613409 is an equidigital number, since it uses as much as digits as its factorization.

22344613409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 22344613409 in words is "twenty-two billion, three hundred forty-four million, six hundred thirteen thousand, four hundred nine".