220797223 has 2 divisors, whose sum is σ = 220797224. Its totient is φ = 220797222.

The previous prime is 220797169. The next prime is 220797229. The reversal of 220797223 is 322797022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220797223 - 2¹³ = 220789031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220797229) 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, 110398611 + 110398612.

It is an arithmetic number, because the mean of its divisors is an integer number (110398612).

Almost surely, 2^220797223 is an apocalyptic number.

220797223 is a deficient number, since it is larger than the sum of its proper divisors (1).

220797223 is an equidigital number, since it uses as much as digits as its factorization.

220797223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 220797223 is about 14859.2470536027. The cubic root of 220797223 is about 604.4093892455.

The spelling of 220797223 in words is "two hundred twenty million, seven hundred ninety-seven thousand, two hundred twenty-three".