22130863 has 2 divisors, whose sum is σ = 22130864. Its totient is φ = 22130862.

The previous prime is 22130831. The next prime is 22130879. The reversal of 22130863 is 36803122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22130863 - 2⁵ = 22130831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22130803) 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, 11065431 + 11065432.

It is an arithmetic number, because the mean of its divisors is an integer number (11065432).

Almost surely, 2^22130863 is an apocalyptic number.

22130863 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130863 is an equidigital number, since it uses as much as digits as its factorization.

22130863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22130863 is about 4704.3451191425. The cubic root of 22130863 is about 280.7584158178.

Adding to 22130863 its reverse (36803122), we get a palindrome (58933985).

The spelling of 22130863 in words is "twenty-two million, one hundred thirty thousand, eight hundred sixty-three".