22232563 has 2 divisors, whose sum is σ = 22232564. Its totient is φ = 22232562.

The previous prime is 22232533. The next prime is 22232579. The reversal of 22232563 is 36523222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22232563 - 2⁹ = 22232051 is a prime.

It is not a weakly prime, because it can be changed into another prime (22232503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116281 + 11116282.

It is an arithmetic number, because the mean of its divisors is an integer number (11116282).

Almost surely, 2^22232563 is an apocalyptic number.

22232563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232563 is an equidigital number, since it uses as much as digits as its factorization.

22232563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 25.

The square root of 22232563 is about 4715.1418854580. The cubic root of 22232563 is about 281.1878237536.

Adding to 22232563 its reverse (36523222), we get a palindrome (58755785).

The spelling of 22232563 in words is "twenty-two million, two hundred thirty-two thousand, five hundred sixty-three".