22259663 has 2 divisors, whose sum is σ = 22259664. Its totient is φ = 22259662.

The previous prime is 22259641. The next prime is 22259683. The reversal of 22259663 is 36695222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22259663 - 2⁸ = 22259407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22259683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11129831 + 11129832.

It is an arithmetic number, because the mean of its divisors is an integer number (11129832).

Almost surely, 2^22259663 is an apocalyptic number.

22259663 is a deficient number, since it is larger than the sum of its proper divisors (1).

22259663 is an equidigital number, since it uses as much as digits as its factorization.

22259663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 22259663 is about 4718.0147307951. The cubic root of 22259663 is about 281.3020270501.

It can be divided in two parts, 22259 and 663, that added together give a palindrome (22922).

The spelling of 22259663 in words is "twenty-two million, two hundred fifty-nine thousand, six hundred sixty-three".