22940563 has 2 divisors, whose sum is σ = 22940564. Its totient is φ = 22940562.

The previous prime is 22940539. The next prime is 22940579. The reversal of 22940563 is 36504922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22940563 is a prime.

It is not a weakly prime, because it can be changed into another prime (22940503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11470281 + 11470282.

It is an arithmetic number, because the mean of its divisors is an integer number (11470282).

Almost surely, 2^22940563 is an apocalyptic number.

22940563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22940563 is an equidigital number, since it uses as much as digits as its factorization.

22940563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 22940563 is about 4789.6307790893. The cubic root of 22940563 is about 284.1415143108.

The spelling of 22940563 in words is "twenty-two million, nine hundred forty thousand, five hundred sixty-three".