2311405222 has 16 divisors (see below), whose sum is σ = 3963882240. Its totient is φ = 990233928.

The previous prime is 2311405193. The next prime is 2311405237. The reversal of 2311405222 is 2225041132.

It is a happy number.

2311405222 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 = 2311405193 and 2311405202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10183 + ... + 68749.

It is an arithmetic number, because the mean of its divisors is an integer number (247742640).

Almost surely, 2^2311405222 is an apocalyptic number.

2311405222 is a deficient number, since it is larger than the sum of its proper divisors (1652477018).

2311405222 is a wasteful number, since it uses less digits than its factorization.

2311405222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61395.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2311405222 is about 48077.0758470188. The cubic root of 2311405222 is about 1322.1844038798.

Adding to 2311405222 its reverse (2225041132), we get a palindrome (4536446354).

The spelling of 2311405222 in words is "two billion, three hundred eleven million, four hundred five thousand, two hundred twenty-two".