22464443 has 2 divisors, whose sum is σ = 22464444. Its totient is φ = 22464442.

The previous prime is 22464413. The next prime is 22464461. The reversal of 22464443 is 34446422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22464443 - 2²² = 18270139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22464413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11232221 + 11232222.

It is an arithmetic number, because the mean of its divisors is an integer number (11232222).

Almost surely, 2^22464443 is an apocalyptic number.

22464443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22464443 is an equidigital number, since it uses as much as digits as its factorization.

22464443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 29.

The square root of 22464443 is about 4739.6669714232. Note that the first 3 decimals coincide. The cubic root of 22464443 is about 282.1620172886.

The spelling of 22464443 in words is "twenty-two million, four hundred sixty-four thousand, four hundred forty-three".