2321321022 has 48 divisors (see below), whose sum is σ = 5174136240. Its totient is φ = 751597056.

The previous prime is 2321321003. The next prime is 2321321027. The reversal of 2321321022 is 2201231232.

2321321022 is a `hidden beast` number, since 2 + 321 + 321 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2321320986 and 2321321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321321027) 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, 445629 + ... + 450807.

It is an arithmetic number, because the mean of its divisors is an integer number (107794505).

Almost surely, 2^2321321022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321321022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587068120).

2321321022 is an abundant number, since it is smaller than the sum of its proper divisors (2852815218).

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

2321321022 is a wasteful number, since it uses less digits than its factorization.

2321321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897 (or 5894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2321321022 is about 48180.0894768783. The cubic root of 2321321022 is about 1324.0724058546.

Adding to 2321321022 its reverse (2201231232), we get a palindrome (4522552254).

The spelling of 2321321022 in words is "two billion, three hundred twenty-one million, three hundred twenty-one thousand, twenty-two".