220242299 has 2 divisors, whose sum is σ = 220242300. Its totient is φ = 220242298.

The previous prime is 220242277. The next prime is 220242301. The reversal of 220242299 is 992242022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220242299 - 2¹⁶ = 220176763 is a prime.

Together with 220242301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220247299) 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, 110121149 + 110121150.

It is an arithmetic number, because the mean of its divisors is an integer number (110121150).

Almost surely, 2^220242299 is an apocalyptic number.

220242299 is a deficient number, since it is larger than the sum of its proper divisors (1).

220242299 is an equidigital number, since it uses as much as digits as its factorization.

220242299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 220242299 is about 14840.5626241056. The cubic root of 220242299 is about 603.9026155801.

The spelling of 220242299 in words is "two hundred twenty million, two hundred forty-two thousand, two hundred ninety-nine".