22254563 has 2 divisors, whose sum is σ = 22254564. Its totient is φ = 22254562.

The previous prime is 22254523. The next prime is 22254577. The reversal of 22254563 is 36545222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22254563 - 2⁸ = 22254307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22254523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127281 + 11127282.

It is an arithmetic number, because the mean of its divisors is an integer number (11127282).

Almost surely, 2^22254563 is an apocalyptic number.

22254563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22254563 is an equidigital number, since it uses as much as digits as its factorization.

22254563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 22254563 is about 4717.4742182655. The cubic root of 22254563 is about 281.2805420001.

Adding to 22254563 its reverse (36545222), we get a palindrome (58799785).

The spelling of 22254563 in words is "twenty-two million, two hundred fifty-four thousand, five hundred sixty-three".