22072367893 has 2 divisors, whose sum is σ = 22072367894. Its totient is φ = 22072367892.

The previous prime is 22072367881. The next prime is 22072367899. The reversal of 22072367893 is 39876327022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16564204804 + 5508163089 = 128702^2 + 74217^2 .

It is a cyclic number.

It is not a de Polignac number, because 22072367893 - 2⁵ = 22072367861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22072367899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11036183946 + 11036183947.

It is an arithmetic number, because the mean of its divisors is an integer number (11036183947).

Almost surely, 2^22072367893 is an apocalyptic number.

It is an amenable number.

22072367893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22072367893 is an equidigital number, since it uses as much as digits as its factorization.

22072367893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 22072367893 in words is "twenty-two billion, seventy-two million, three hundred sixty-seven thousand, eight hundred ninety-three".