2322221 has 8 divisors (see below), whose sum is σ = 2558304. Its totient is φ = 2090320.

The previous prime is 2322211. The next prime is 2322227. The reversal of 2322221 is 1222232.

Added to its reverse (1222232) it gives a triangular number (3544453 = T₂₆₆₂).

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 2322221 - 2¹⁴ = 2305837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2322196 and 2322205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322227) 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 7 ways as a sum of consecutive naturals, for example, 191 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (319788).

2^2322221 is an apocalyptic number.

It is an amenable number.

2322221 is a deficient number, since it is larger than the sum of its proper divisors (236083).

2322221 is a wasteful number, since it uses less digits than its factorization.

2322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its digits is 96, while the sum is 14.

The square root of 2322221 is about 1523.8835257329. The cubic root of 2322221 is about 132.4243498386.

Adding to 2322221 its reverse (1222232), we get a palindrome (3544453).

It can be divided in two parts, 2 and 322221, that added together give a palindrome (322223).

The spelling of 2322221 in words is "two million, three hundred twenty-two thousand, two hundred twenty-one".