22719799 has 2 divisors, whose sum is σ = 22719800. Its totient is φ = 22719798.

The previous prime is 22719773. The next prime is 22719811. The reversal of 22719799 is 99791722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22719799 - 2⁹ = 22719287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22719709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11359899 + 11359900.

It is an arithmetic number, because the mean of its divisors is an integer number (11359900).

Almost surely, 2^22719799 is an apocalyptic number.

22719799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22719799 is an equidigital number, since it uses as much as digits as its factorization.

22719799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 46.

The square root of 22719799 is about 4766.5290306469. The cubic root of 22719799 is about 283.2271148177.

The spelling of 22719799 in words is "twenty-two million, seven hundred nineteen thousand, seven hundred ninety-nine".