2322320021 has 8 divisors (see below), whose sum is σ = 2664656064. Its totient is φ = 1982628000.

The previous prime is 2322319999. The next prime is 2322320023. The reversal of 2322320021 is 1200232232.

2322320021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2322320021 - 2¹⁴ = 2322303637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322320023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659120 + ... + 662633.

It is an arithmetic number, because the mean of its divisors is an integer number (333082008).

Almost surely, 2^2322320021 is an apocalyptic number.

It is an amenable number.

2322320021 is a deficient number, since it is larger than the sum of its proper divisors (342336043).

2322320021 is a wasteful number, since it uses less digits than its factorization.

2322320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322011.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2322320021 is about 48190.4557044235. The cubic root of 2322320021 is about 1324.2623203172.

Adding to 2322320021 its reverse (1200232232), we get a palindrome (3522552253).

The spelling of 2322320021 in words is "two billion, three hundred twenty-two million, three hundred twenty thousand, twenty-one".