220210849 has 2 divisors, whose sum is σ = 220210850. Its totient is φ = 220210848.

The previous prime is 220210819. The next prime is 220210867. The reversal of 220210849 is 948012022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218093824 + 2117025 = 14768^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 220210849 - 2⁷ = 220210721 is a prime.

It is not a weakly prime, because it can be changed into another prime (220210819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105424 + 110105425.

It is an arithmetic number, because the mean of its divisors is an integer number (110105425).

Almost surely, 2^220210849 is an apocalyptic number.

It is an amenable number.

220210849 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210849 is an equidigital number, since it uses as much as digits as its factorization.

220210849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 220210849 is about 14839.5029903296. The cubic root of 220210849 is about 603.8738689959.

The spelling of 220210849 in words is "two hundred twenty million, two hundred ten thousand, eight hundred forty-nine".