22464623 has 2 divisors, whose sum is σ = 22464624. Its totient is φ = 22464622.

The previous prime is 22464571. The next prime is 22464641. The reversal of 22464623 is 32646422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22464623 is a prime.

It is a congruent number.

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, 11232311 + 11232312.

It is an arithmetic number, because the mean of its divisors is an integer number (11232312).

Almost surely, 2^22464623 is an apocalyptic number.

22464623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22464623 is an equidigital number, since it uses as much as digits as its factorization.

22464623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 22464623 is about 4739.6859600611. The cubic root of 22464623 is about 282.1627709096.

The spelling of 22464623 in words is "twenty-two million, four hundred sixty-four thousand, six hundred twenty-three".