22190563 has 2 divisors, whose sum is σ = 22190564. Its totient is φ = 22190562.

The previous prime is 22190551. The next prime is 22190569. The reversal of 22190563 is 36509122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22190563 is a prime.

It is not a weakly prime, because it can be changed into another prime (22190569) 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, 11095281 + 11095282.

It is an arithmetic number, because the mean of its divisors is an integer number (11095282).

Almost surely, 2^22190563 is an apocalyptic number.

22190563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22190563 is an equidigital number, since it uses as much as digits as its factorization.

22190563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22190563 is about 4710.6860434548. The cubic root of 22190563 is about 281.0106462028.

Adding to 22190563 its reverse (36509122), we get a palindrome (58699685).

The spelling of 22190563 in words is "twenty-two million, one hundred ninety thousand, five hundred sixty-three".