220219873 has 2 divisors, whose sum is σ = 220219874. Its totient is φ = 220219872.

The previous prime is 220219843. The next prime is 220219891. The reversal of 220219873 is 378912022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218211984 + 2007889 = 14772^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 220219873 - 2⁵ = 220219841 is a prime.

It is a super-2 number, since 2×220219873² = 96993584928272258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220219843) 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, 110109936 + 110109937.

It is an arithmetic number, because the mean of its divisors is an integer number (110109937).

Almost surely, 2^220219873 is an apocalyptic number.

It is an amenable number.

220219873 is a deficient number, since it is larger than the sum of its proper divisors (1).

220219873 is an equidigital number, since it uses as much as digits as its factorization.

220219873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 220219873 is about 14839.8070405245. The cubic root of 220219873 is about 603.8821175804.

The spelling of 220219873 in words is "two hundred twenty million, two hundred nineteen thousand, eight hundred seventy-three".