220612099 has 2 divisors, whose sum is σ = 220612100. Its totient is φ = 220612098.

The previous prime is 220612069. The next prime is 220612127. The reversal of 220612099 is 990216022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220612099 - 2⁷ = 220611971 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220612099.

It is not a weakly prime, because it can be changed into another prime (220612069) 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, 110306049 + 110306050.

It is an arithmetic number, because the mean of its divisors is an integer number (110306050).

Almost surely, 2^220612099 is an apocalyptic number.

220612099 is a deficient number, since it is larger than the sum of its proper divisors (1).

220612099 is an equidigital number, since it uses as much as digits as its factorization.

220612099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 220612099 is about 14853.0164949750. The cubic root of 220612099 is about 604.2404227947.

The spelling of 220612099 in words is "two hundred twenty million, six hundred twelve thousand, ninety-nine".