22019794001 has 2 divisors, whose sum is σ = 22019794002. Its totient is φ = 22019794000.

The previous prime is 22019793977. The next prime is 22019794003. The reversal of 22019794001 is 10049791022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16810419025 + 5209374976 = 129655^2 + 72176^2 .

It is a cyclic number.

It is not a de Polignac number, because 22019794001 - 2²⁶ = 21952685137 is a prime.

Together with 22019794003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22019794003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11009897000 + 11009897001.

It is an arithmetic number, because the mean of its divisors is an integer number (11009897001).

Almost surely, 2^22019794001 is an apocalyptic number.

It is an amenable number.

22019794001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22019794001 is an equidigital number, since it uses as much as digits as its factorization.

22019794001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 22019794001 in words is "twenty-two billion, nineteen million, seven hundred ninety-four thousand, one".