22038563 has 2 divisors, whose sum is σ = 22038564. Its totient is φ = 22038562.

The previous prime is 22038517. The next prime is 22038571. The reversal of 22038563 is 36583022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22038563 - 2²⁰ = 20989987 is a prime.

It is a Sophie Germain prime.

It is equal to p_1391573 and since 22038563 and 1391573 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22038763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11019281 + 11019282.

It is an arithmetic number, because the mean of its divisors is an integer number (11019282).

Almost surely, 2^22038563 is an apocalyptic number.

22038563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22038563 is an equidigital number, since it uses as much as digits as its factorization.

22038563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22038563 is about 4694.5247895820. The cubic root of 22038563 is about 280.3675572608.

It can be divided in two parts, 220 and 38563, that added together give a palindrome (38783).

The spelling of 22038563 in words is "twenty-two million, thirty-eight thousand, five hundred sixty-three".