22344869 has 2 divisors, whose sum is σ = 22344870. Its totient is φ = 22344868.

The previous prime is 22344859. The next prime is 22344887. The reversal of 22344869 is 96844322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15108769 + 7236100 = 3887^2 + 2690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22344869 is a prime.

It is a super-2 number, since 2×22344869² = 998586341254322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22344809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172434 + 11172435.

It is an arithmetic number, because the mean of its divisors is an integer number (11172435).

Almost surely, 2^22344869 is an apocalyptic number.

It is an amenable number.

22344869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22344869 is an equidigital number, since it uses as much as digits as its factorization.

22344869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 22344869 is about 4727.0359634765. The cubic root of 22344869 is about 281.6604946342.

The spelling of 22344869 in words is "twenty-two million, three hundred forty-four thousand, eight hundred sixty-nine".