22022011021993 has 2 divisors, whose sum is σ = 22022011021994. Its totient is φ = 22022011021992.

The previous prime is 22022011021973. The next prime is 22022011022069. The reversal of 22022011021993 is 39912011022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17137256840089 + 4884754181904 = 4139717^2 + 2210148^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022011021993 - 2⁵ = 22022011021961 is a prime.

It is not a weakly prime, because it can be changed into another prime (22022011021903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011005510996 + 11011005510997.

It is an arithmetic number, because the mean of its divisors is an integer number (11011005510997).

Almost surely, 2^{22022011021993} is an apocalyptic number.

It is an amenable number.

22022011021993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022011021993 is an equidigital number, since it uses as much as digits as its factorization.

22022011021993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 22022011021993 in words is "twenty-two trillion, twenty-two billion, eleven million, twenty-one thousand, nine hundred ninety-three".