233220109 has 2 divisors, whose sum is σ = 233220110. Its totient is φ = 233220108.

The previous prime is 233220103. The next prime is 233220149. The reversal of 233220109 is 901022332.

233220109 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., 185913225 + 47306884 = 13635^2 + 6878^2 .

It is a cyclic number.

It is not a de Polignac number, because 233220109 - 2¹¹ = 233218061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233220109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116610054 + 116610055.

It is an arithmetic number, because the mean of its divisors is an integer number (116610055).

Almost surely, 2^233220109 is an apocalyptic number.

It is an amenable number.

233220109 is a deficient number, since it is larger than the sum of its proper divisors (1).

233220109 is an equidigital number, since it uses as much as digits as its factorization.

233220109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 233220109 is about 15271.5457305408. The cubic root of 233220109 is about 615.5386551375.

The spelling of 233220109 in words is "two hundred thirty-three million, two hundred twenty thousand, one hundred nine".