220497301 has 2 divisors, whose sum is σ = 220497302. Its totient is φ = 220497300.

The previous prime is 220497287. The next prime is 220497307. The reversal of 220497301 is 103794022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186868900 + 33628401 = 13670^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 220497301 - 2⁵ = 220497269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220497301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220497307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110248650 + 110248651.

It is an arithmetic number, because the mean of its divisors is an integer number (110248651).

Almost surely, 2^220497301 is an apocalyptic number.

It is an amenable number.

220497301 is a deficient number, since it is larger than the sum of its proper divisors (1).

220497301 is an equidigital number, since it uses as much as digits as its factorization.

220497301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 220497301 is about 14849.1515245821. The cubic root of 220497301 is about 604.1355968316.

The spelling of 220497301 in words is "two hundred twenty million, four hundred ninety-seven thousand, three hundred one".