22464641 has 2 divisors, whose sum is σ = 22464642. Its totient is φ = 22464640.

The previous prime is 22464623. The next prime is 22464643. The reversal of 22464641 is 14646422.

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., 18524416 + 3940225 = 4304^2 + 1985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22464641 is a prime.

Together with 22464643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22464643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11232320 + 11232321.

It is an arithmetic number, because the mean of its divisors is an integer number (11232321).

Almost surely, 2^22464641 is an apocalyptic number.

It is an amenable number.

22464641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22464641 is an equidigital number, since it uses as much as digits as its factorization.

22464641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 22464641 is about 4739.6878589207. The cubic root of 22464641 is about 282.1628462715.

The spelling of 22464641 in words is "twenty-two million, four hundred sixty-four thousand, six hundred forty-one".