22136663 has 2 divisors, whose sum is σ = 22136664. Its totient is φ = 22136662.

The previous prime is 22136651. The next prime is 22136687. The reversal of 22136663 is 36663122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22136663 - 2⁸ = 22136407 is a prime.

It is equal to p_1397306 and since 22136663 and 1397306 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22156663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11068331 + 11068332.

It is an arithmetic number, because the mean of its divisors is an integer number (11068332).

Almost surely, 2^22136663 is an apocalyptic number.

22136663 is a deficient number, since it is larger than the sum of its proper divisors (1).

22136663 is an equidigital number, since it uses as much as digits as its factorization.

22136663 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 22136663 is about 4704.9615301297. The cubic root of 22136663 is about 280.7829404914.

Adding to 22136663 its reverse (36663122), we get a palindrome (58799785).

The spelling of 22136663 in words is "twenty-two million, one hundred thirty-six thousand, six hundred sixty-three".