2322401021 has 4 divisors (see below), whose sum is σ = 2322958044. Its totient is φ = 2321844000.

The previous prime is 2322400933. The next prime is 2322401023. The reversal of 2322401021 is 1201042232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 350064100 + 1972336921 = 18710^2 + 44411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2322401021 - 2²⁶ = 2255292157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322401023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272210 + ... + 280611.

It is an arithmetic number, because the mean of its divisors is an integer number (580739511).

Almost surely, 2^2322401021 is an apocalyptic number.

It is an amenable number.

2322401021 is a deficient number, since it is larger than the sum of its proper divisors (557023).

2322401021 is an equidigital number, since it uses as much as digits as its factorization.

2322401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557022.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2322401021 is about 48191.2961124724. The cubic root of 2322401021 is about 1324.2777164153.

Adding to 2322401021 its reverse (1201042232), we get a palindrome (3523443253).

The spelling of 2322401021 in words is "two billion, three hundred twenty-two million, four hundred one thousand, twenty-one".