2200331021 has 16 divisors (see below), whose sum is σ = 2532917376. Its totient is φ = 1872351936.

The previous prime is 2200331017. The next prime is 2200331039. The reversal of 2200331021 is 1201330022.

It is a happy number.

It is not a de Polignac number, because 2200331021 - 2² = 2200331017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200330987 and 2200331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200331521) 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 15 ways as a sum of consecutive naturals, for example, 752855 + ... + 755771.

It is an arithmetic number, because the mean of its divisors is an integer number (158307336).

Almost surely, 2^2200331021 is an apocalyptic number.

It is an amenable number.

2200331021 is a deficient number, since it is larger than the sum of its proper divisors (332586355).

2200331021 is a wasteful number, since it uses less digits than its factorization.

2200331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2200331021 is about 46907.6861612252. The cubic root of 2200331021 is about 1300.6566743499.

Adding to 2200331021 its reverse (1201330022), we get a palindrome (3401661043).

Subtracting from 2200331021 its reverse (1201330022), we obtain a palindrome (999000999).

The spelling of 2200331021 in words is "two billion, two hundred million, three hundred thirty-one thousand, twenty-one".