22040299 has 2 divisors, whose sum is σ = 22040300. Its totient is φ = 22040298.

The previous prime is 22040281. The next prime is 22040303. The reversal of 22040299 is 99204022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22040299 - 2⁵ = 22040267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22040219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020149 + 11020150.

It is an arithmetic number, because the mean of its divisors is an integer number (11020150).

Almost surely, 2^22040299 is an apocalyptic number.

22040299 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040299 is an equidigital number, since it uses as much as digits as its factorization.

22040299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22040299 is about 4694.7096821848. The cubic root of 22040299 is about 280.3749186800.

The spelling of 22040299 in words is "twenty-two million, forty thousand, two hundred ninety-nine".