22123799 has 2 divisors, whose sum is σ = 22123800. Its totient is φ = 22123798.

The previous prime is 22123757. The next prime is 22123807. The reversal of 22123799 is 99732122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123799 - 2¹⁶ = 22058263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061899 + 11061900.

It is an arithmetic number, because the mean of its divisors is an integer number (11061900).

Almost surely, 2^22123799 is an apocalyptic number.

22123799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123799 is an equidigital number, since it uses as much as digits as its factorization.

22123799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 22123799 is about 4703.5942639645. The cubic root of 22123799 is about 280.7285406686.

It can be divided in two parts, 22123 and 799, that added together give a palindrome (22922).

The spelling of 22123799 in words is "twenty-two million, one hundred twenty-three thousand, seven hundred ninety-nine".