220122293 has 2 divisors, whose sum is σ = 220122294. Its totient is φ = 220122292.

The previous prime is 220122271. The next prime is 220122311. The reversal of 220122293 is 392221022.

220122293 is nontrivially palindromic in base 9.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213685924 + 6436369 = 14618^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122293 - 2¹⁸ = 219860149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220122233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061146 + 110061147.

It is an arithmetic number, because the mean of its divisors is an integer number (110061147).

Almost surely, 2^220122293 is an apocalyptic number.

It is an amenable number.

220122293 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122293 is an equidigital number, since it uses as much as digits as its factorization.

220122293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 220122293 is about 14836.5188976390. The cubic root of 220122293 is about 603.7929104894.

The spelling of 220122293 in words is "two hundred twenty million, one hundred twenty-two thousand, two hundred ninety-three".