22021202222189 has 2 divisors, whose sum is σ = 22021202222190. Its totient is φ = 22021202222188.

The previous prime is 22021202222099. The next prime is 22021202222197. The reversal of 22021202222189 is 98122220212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21515172018025 + 506030204164 = 4638445^2 + 711358^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021202222189 - 2⁸ = 22021202221933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021202222989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010601111094 + 11010601111095.

It is an arithmetic number, because the mean of its divisors is an integer number (11010601111095).

Almost surely, 2^{22021202222189} is an apocalyptic number.

It is an amenable number.

22021202222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021202222189 is an equidigital number, since it uses as much as digits as its factorization.

22021202222189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 22021202222189 in words is "twenty-two trillion, twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred eighty-nine".