22163663 has 2 divisors, whose sum is σ = 22163664. Its totient is φ = 22163662.

The previous prime is 22163641. The next prime is 22163677. The reversal of 22163663 is 36636122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22163663 - 2¹⁸ = 21901519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22163623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081831 + 11081832.

It is an arithmetic number, because the mean of its divisors is an integer number (11081832).

Almost surely, 2^22163663 is an apocalyptic number.

22163663 is a deficient number, since it is larger than the sum of its proper divisors (1).

22163663 is an equidigital number, since it uses as much as digits as its factorization.

22163663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 22163663 is about 4707.8299671930. The cubic root of 22163663 is about 280.8970507234.

Adding to 22163663 its reverse (36636122), we get a palindrome (58799785).

It can be divided in two parts, 22 and 163663, that multiplied together give a triangular number (3600586 = T₂₆₈₃).

The spelling of 22163663 in words is "twenty-two million, one hundred sixty-three thousand, six hundred sixty-three".