22120099 has 2 divisors, whose sum is σ = 22120100. Its totient is φ = 22120098.

The previous prime is 22120061. The next prime is 22120151. The reversal of 22120099 is 99002122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120099 - 2¹³ = 22111907 is a prime.

It is not a weakly prime, because it can be changed into another prime (22120499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060049 + 11060050.

It is an arithmetic number, because the mean of its divisors is an integer number (11060050).

Almost surely, 2^22120099 is an apocalyptic number.

22120099 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120099 is an equidigital number, since it uses as much as digits as its factorization.

22120099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 22120099 is about 4703.2009312807. The cubic root of 22120099 is about 280.7128900486.

The spelling of 22120099 in words is "twenty-two million, one hundred twenty thousand, ninety-nine".