233022109 has 2 divisors, whose sum is σ = 233022110. Its totient is φ = 233022108.

The previous prime is 233022107. The next prime is 233022121. The reversal of 233022109 is 901220332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228674884 + 4347225 = 15122^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 233022109 - 2¹ = 233022107 is a prime.

Together with 233022107, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 233022109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233022103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116511054 + 116511055.

It is an arithmetic number, because the mean of its divisors is an integer number (116511055).

Almost surely, 2^233022109 is an apocalyptic number.

It is an amenable number.

233022109 is a deficient number, since it is larger than the sum of its proper divisors (1).

233022109 is an equidigital number, since it uses as much as digits as its factorization.

233022109 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 233022109 is about 15265.0617096689. The cubic root of 233022109 is about 615.3644117858.

The spelling of 233022109 in words is "two hundred thirty-three million, twenty-two thousand, one hundred nine".