220210049 has 2 divisors, whose sum is σ = 220210050. Its totient is φ = 220210048.

The previous prime is 220210033. The next prime is 220210069. The reversal of 220210049 is 940012022.

It is an a-pointer prime, because the next prime (220210069) can be obtained adding 220210049 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214827649 + 5382400 = 14657^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 220210049 - 2⁴ = 220210033 is a prime.

It is equal to p_12133460 and since 220210049 and 12133460 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220210049.

It is not a weakly prime, because it can be changed into another prime (220210069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110105024 + 110105025.

It is an arithmetic number, because the mean of its divisors is an integer number (110105025).

Almost surely, 2^220210049 is an apocalyptic number.

It is an amenable number.

220210049 is a deficient number, since it is larger than the sum of its proper divisors (1).

220210049 is an equidigital number, since it uses as much as digits as its factorization.

220210049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 220210049 is about 14839.4760352244. The cubic root of 220210049 is about 603.8731377276.

The spelling of 220210049 in words is "two hundred twenty million, two hundred ten thousand, forty-nine".