22125799 has 2 divisors, whose sum is σ = 22125800. Its totient is φ = 22125798.

The previous prime is 22125743. The next prime is 22125809. The reversal of 22125799 is 99752122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22125799 - 2¹⁷ = 21994727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062899 + 11062900.

It is an arithmetic number, because the mean of its divisors is an integer number (11062900).

Almost surely, 2^22125799 is an apocalyptic number.

22125799 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125799 is an equidigital number, since it uses as much as digits as its factorization.

22125799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 22125799 is about 4703.8068625317. The cubic root of 22125799 is about 280.7369997366.

The spelling of 22125799 in words is "twenty-two million, one hundred twenty-five thousand, seven hundred ninety-nine".