22698563 has 2 divisors, whose sum is σ = 22698564. Its totient is φ = 22698562.

The previous prime is 22698551. The next prime is 22698569. The reversal of 22698563 is 36589622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22698563 - 2⁶ = 22698499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22698563.

It is not a weakly prime, because it can be changed into another prime (22698569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11349281 + 11349282.

It is an arithmetic number, because the mean of its divisors is an integer number (11349282).

Almost surely, 2^22698563 is an apocalyptic number.

22698563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22698563 is an equidigital number, since it uses as much as digits as its factorization.

22698563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 22698563 is about 4764.3008931007. The cubic root of 22698563 is about 283.1388439969.

It can be divided in two parts, 226 and 98563, that added together give a palindrome (98789).

The spelling of 22698563 in words is "twenty-two million, six hundred ninety-eight thousand, five hundred sixty-three".