22020079 has 2 divisors, whose sum is σ = 22020080. Its totient is φ = 22020078.

The previous prime is 22020059. The next prime is 22020091. The reversal of 22020079 is 97002022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010039 + 11010040.

It is an arithmetic number, because the mean of its divisors is an integer number (11010040).

Almost surely, 2^22020079 is an apocalyptic number.

22020079 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020079 is an equidigital number, since it uses as much as digits as its factorization.

22020079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 22020079 is about 4692.5557002555. Note that the first 3 decimals coincide. The cubic root of 22020079 is about 280.2891528230.

The spelling of 22020079 in words is "twenty-two million, twenty thousand, seventy-nine".