220034209 has 2 divisors, whose sum is σ = 220034210. Its totient is φ = 220034208.

The previous prime is 220034203. The next prime is 220034233. The reversal of 220034209 is 902430022.

220034209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178302609 + 41731600 = 13353^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 220034209 - 2¹³ = 220026017 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220034209.

It is not a weakly prime, because it can be changed into another prime (220034203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110017104 + 110017105.

It is an arithmetic number, because the mean of its divisors is an integer number (110017105).

Almost surely, 2^220034209 is an apocalyptic number.

It is an amenable number.

220034209 is a deficient number, since it is larger than the sum of its proper divisors (1).

220034209 is an equidigital number, since it uses as much as digits as its factorization.

220034209 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 22.

The square root of 220034209 is about 14833.5501145208. The cubic root of 220034209 is about 603.7123619457.

The spelling of 220034209 in words is "two hundred twenty million, thirty-four thousand, two hundred nine".