22400411993 has 2 divisors, whose sum is σ = 22400411994. Its totient is φ = 22400411992.

The previous prime is 22400411989. The next prime is 22400412079. The reversal of 22400411993 is 39911400422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12541312144 + 9859099849 = 111988^2 + 99293^2 .

It is a cyclic number.

It is not a de Polignac number, because 22400411993 - 2² = 22400411989 is a prime.

It is a super-2 number, since 2×22400411993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22409411993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200205996 + 11200205997.

It is an arithmetic number, because the mean of its divisors is an integer number (11200205997).

Almost surely, 2^22400411993 is an apocalyptic number.

It is an amenable number.

22400411993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400411993 is an equidigital number, since it uses as much as digits as its factorization.

22400411993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 22400411993 in words is "twenty-two billion, four hundred million, four hundred eleven thousand, nine hundred ninety-three".