2311122022 has 12 divisors (see below), whose sum is σ = 3810486708. Its totient is φ = 1050509900.

The previous prime is 2311121983. The next prime is 2311122029. The reversal of 2311122022 is 2202211132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2311121987 and 2311122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311122029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4774804 + ... + 4775287.

It is an arithmetic number, because the mean of its divisors is an integer number (317540559).

Almost surely, 2^2311122022 is an apocalyptic number.

2311122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2311122022 is a deficient number, since it is larger than the sum of its proper divisors (1499364686).

2311122022 is a wasteful number, since it uses less digits than its factorization.

2311122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9550115 (or 9550104 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2311122022 is about 48074.1304861565. The cubic root of 2311122022 is about 1322.1304023986.

Adding to 2311122022 its reverse (2202211132), we get a palindrome (4513333154).

The spelling of 2311122022 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, twenty-two".