220303189 has 2 divisors, whose sum is σ = 220303190. Its totient is φ = 220303188.

The previous prime is 220303183. The next prime is 220303219. The reversal of 220303189 is 981303022.

220303189 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., 220284964 + 18225 = 14842^2 + 135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220303189 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 (220303183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110151594 + 110151595.

It is an arithmetic number, because the mean of its divisors is an integer number (110151595).

Almost surely, 2^220303189 is an apocalyptic number.

It is an amenable number.

220303189 is a deficient number, since it is larger than the sum of its proper divisors (1).

220303189 is an equidigital number, since it uses as much as digits as its factorization.

220303189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 220303189 is about 14842.6139544219. The cubic root of 220303189 is about 603.9582637491.

The spelling of 220303189 in words is "two hundred twenty million, three hundred three thousand, one hundred eighty-nine".