22575910891 has 2 divisors, whose sum is σ = 22575910892. Its totient is φ = 22575910890.

The previous prime is 22575910879. The next prime is 22575910897. The reversal of 22575910891 is 19801957522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22575910891 - 2¹⁷ = 22575779819 is a prime.

It is not a weakly prime, because it can be changed into another prime (22575910897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11287955445 + 11287955446.

It is an arithmetic number, because the mean of its divisors is an integer number (11287955446).

Almost surely, 2^22575910891 is an apocalyptic number.

22575910891 is a deficient number, since it is larger than the sum of its proper divisors (1).

22575910891 is an equidigital number, since it uses as much as digits as its factorization.

22575910891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 22575910891 in words is "twenty-two billion, five hundred seventy-five million, nine hundred ten thousand, eight hundred ninety-one".