2321022 has 48 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 667920.

The previous prime is 2321017. The next prime is 2321023. The reversal of 2321022 is 2201232.

It is a junction number, because it is equal to n+sod(n) for n = 2320989 and 2321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16629 + ... + 16767.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^2321022 is an apocalyptic number.

2321022 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 2321022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681280).

2321022 is an abundant number, since it is smaller than the sum of its proper divisors (3041538).

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

2321022 is a wasteful number, since it uses less digits than its factorization.

2321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2321022 is about 1523.4900721698. The cubic root of 2321022 is about 132.4015549755.

Adding to 2321022 its reverse (2201232), we get a palindrome (4522254).

It can be divided in two parts, 23210 and 22, that added together give a palindrome (23232).

The spelling of 2321022 in words is "two million, three hundred twenty-one thousand, twenty-two".