220107397 has 2 divisors, whose sum is σ = 220107398. Its totient is φ = 220107396.

The previous prime is 220107359. The next prime is 220107421. The reversal of 220107397 is 793701022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217592001 + 2515396 = 14751^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 220107397 - 2⁷ = 220107269 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220107317) 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, 110053698 + 110053699.

It is an arithmetic number, because the mean of its divisors is an integer number (110053699).

Almost surely, 2^220107397 is an apocalyptic number.

It is an amenable number.

220107397 is a deficient number, since it is larger than the sum of its proper divisors (1).

220107397 is an equidigital number, since it uses as much as digits as its factorization.

220107397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 220107397 is about 14836.0168845954. The cubic root of 220107397 is about 603.7792903301.

The spelling of 220107397 in words is "two hundred twenty million, one hundred seven thousand, three hundred ninety-seven".