22030021193 has 2 divisors, whose sum is σ = 22030021194. Its totient is φ = 22030021192.

The previous prime is 22030021177. The next prime is 22030021213. The reversal of 22030021193 is 39112003022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16489898569 + 5540122624 = 128413^2 + 74432^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030021193 - 2⁴ = 22030021177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22030027193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015010596 + 11015010597.

It is an arithmetic number, because the mean of its divisors is an integer number (11015010597).

Almost surely, 2^22030021193 is an apocalyptic number.

It is an amenable number.

22030021193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030021193 is an equidigital number, since it uses as much as digits as its factorization.

22030021193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 22030021193 in words is "twenty-two billion, thirty million, twenty-one thousand, one hundred ninety-three".