220404299 has 2 divisors, whose sum is σ = 220404300. Its totient is φ = 220404298.

The previous prime is 220404277. The next prime is 220404307. The reversal of 220404299 is 992404022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220404299 is a prime.

It is not a weakly prime, because it can be changed into another prime (220404209) 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, 110202149 + 110202150.

It is an arithmetic number, because the mean of its divisors is an integer number (110202150).

Almost surely, 2^220404299 is an apocalyptic number.

220404299 is a deficient number, since it is larger than the sum of its proper divisors (1).

220404299 is an equidigital number, since it uses as much as digits as its factorization.

220404299 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 220404299 is about 14846.0196349055. The cubic root of 220404299 is about 604.0506468575.

The spelling of 220404299 in words is "two hundred twenty million, four hundred four thousand, two hundred ninety-nine".