22364443 has 2 divisors, whose sum is σ = 22364444. Its totient is φ = 22364442.

The previous prime is 22364431. The next prime is 22364467. The reversal of 22364443 is 34446322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22364443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22364143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11182221 + 11182222.

It is an arithmetic number, because the mean of its divisors is an integer number (11182222).

Almost surely, 2^22364443 is an apocalyptic number.

22364443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22364443 is an equidigital number, since it uses as much as digits as its factorization.

22364443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 28.

The square root of 22364443 is about 4729.1059408730. The cubic root of 22364443 is about 281.7427150529.

The spelling of 22364443 in words is "twenty-two million, three hundred sixty-four thousand, four hundred forty-three".