2311122 has 48 divisors (see below), whose sum is σ = 5376672. Its totient is φ = 656640.

The previous prime is 2311117. The next prime is 2311123. The reversal of 2311122 is 2211132.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2311098 and 2311107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23778 + ... + 23874.

It is an arithmetic number, because the mean of its divisors is an integer number (112014).

2^2311122 is an apocalyptic number.

2311122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688336).

2311122 is an abundant number, since it is smaller than the sum of its proper divisors (3065550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311122 is a wasteful number, since it uses less digits than its factorization.

2311122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 132 counting only the distinct ones).

The product of its digits is 24, while the sum is 12.

The square root of 2311122 is about 1520.2374814482. The cubic root of 2311122 is about 132.2130398203.

Adding to 2311122 its reverse (2211132), we get a palindrome (4522254).

The spelling of 2311122 in words is "two million, three hundred eleven thousand, one hundred twenty-two".