2309222 has 16 divisors (see below), whose sum is σ = 3704640. Its totient is φ = 1076328.

The previous prime is 2309179. The next prime is 2309227. The reversal of 2309222 is 2229032.

2309222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2309194 and 2309203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2093 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (231540).

2^2309222 is an apocalyptic number.

2309222 is a deficient number, since it is larger than the sum of its proper divisors (1395418).

2309222 is a wasteful number, since it uses less digits than its factorization.

2309222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2309222 is about 1519.6124505939. The cubic root of 2309222 is about 132.1767985998.

The spelling of 2309222 in words is "two million, three hundred nine thousand, two hundred twenty-two".