22419863 has 2 divisors, whose sum is σ = 22419864. Its totient is φ = 22419862.

The previous prime is 22419857. The next prime is 22419919. The reversal of 22419863 is 36891422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22419863 - 2⁴ = 22419847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22419853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11209931 + 11209932.

It is an arithmetic number, because the mean of its divisors is an integer number (11209932).

Almost surely, 2^22419863 is an apocalyptic number.

22419863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22419863 is an equidigital number, since it uses as much as digits as its factorization.

22419863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 22419863 is about 4734.9617738689. The cubic root of 22419863 is about 281.9752463895.

The spelling of 22419863 in words is "twenty-two million, four hundred nineteen thousand, eight hundred sixty-three".