2302021 has 8 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 2052288.

The previous prime is 2302019. The next prime is 2302043. The reversal of 2302021 is 1202032.

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 2302021 - 2¹ = 2302019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301989 and 2302007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

2^2302021 is an apocalyptic number.

It is an amenable number.

2302021 is a deficient number, since it is larger than the sum of its proper divisors (264059).

2302021 is a wasteful number, since it uses less digits than its factorization.

2302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2302021 is about 1517.2412464733. The cubic root of 2302021 is about 132.0392636488.

Adding to 2302021 its reverse (1202032), we get a palindrome (3504053).

The spelling of 2302021 in words is "two million, three hundred two thousand, twenty-one".