22344691 has 2 divisors, whose sum is σ = 22344692. Its totient is φ = 22344690.

The previous prime is 22344683. The next prime is 22344709. The reversal of 22344691 is 19644322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22344691 - 2³ = 22344683 is a prime.

It is not a weakly prime, because it can be changed into another prime (22344601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172345 + 11172346.

It is an arithmetic number, because the mean of its divisors is an integer number (11172346).

Almost surely, 2^22344691 is an apocalyptic number.

22344691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22344691 is an equidigital number, since it uses as much as digits as its factorization.

22344691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 22344691 is about 4727.0171355729. The cubic root of 22344691 is about 281.6597467265.

The spelling of 22344691 in words is "twenty-two million, three hundred forty-four thousand, six hundred ninety-one".