220112897 has 2 divisors, whose sum is σ = 220112898. Its totient is φ = 220112896.

The previous prime is 220112863. The next prime is 220112903. The reversal of 220112897 is 798211022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172764736 + 47348161 = 13144^2 + 6881^2 .

It is a cyclic number.

It is not a de Polignac number, because 220112897 - 2¹⁸ = 219850753 is a prime.

It is not a weakly prime, because it can be changed into another prime (220112807) 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, 110056448 + 110056449.

It is an arithmetic number, because the mean of its divisors is an integer number (110056449).

Almost surely, 2^220112897 is an apocalyptic number.

It is an amenable number.

220112897 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112897 is an equidigital number, since it uses as much as digits as its factorization.

220112897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 220112897 is about 14836.2022431618. The cubic root of 220112897 is about 603.7843193273.

The spelling of 220112897 in words is "two hundred twenty million, one hundred twelve thousand, eight hundred ninety-seven".