22180799 has 2 divisors, whose sum is σ = 22180800. Its totient is φ = 22180798.

The previous prime is 22180793. The next prime is 22180811. The reversal of 22180799 is 99708122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22180799 - 2⁴ = 22180783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22180793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11090399 + 11090400.

It is an arithmetic number, because the mean of its divisors is an integer number (11090400).

Almost surely, 2^22180799 is an apocalyptic number.

22180799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22180799 is an equidigital number, since it uses as much as digits as its factorization.

22180799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 22180799 is about 4709.6495623348. The cubic root of 22180799 is about 280.9694246187.

The spelling of 22180799 in words is "twenty-two million, one hundred eighty thousand, seven hundred ninety-nine".