2282121 has 8 divisors (see below), whose sum is σ = 3380960. Its totient is φ = 1521396.

The previous prime is 2282099. The next prime is 2282141. The reversal of 2282121 is 1212822.

It is a happy number.

It is not a de Polignac number, because 2282121 - 2⁵ = 2282089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2282094 and 2282103.

It is not an unprimeable number, because it can be changed into a prime (2282141) 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, 42235 + ... + 42288.

It is an arithmetic number, because the mean of its divisors is an integer number (422620).

2^2282121 is an apocalyptic number.

It is an amenable number.

2282121 is a deficient number, since it is larger than the sum of its proper divisors (1098839).

2282121 is an equidigital number, since it uses as much as digits as its factorization.

2282121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84532 (or 84526 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 2282121 is about 1510.6690570737. The cubic root of 2282121 is about 131.6576874362.

Adding to 2282121 its reverse (1212822), we get a palindrome (3494943).

The spelling of 2282121 in words is "two million, two hundred eighty-two thousand, one hundred twenty-one".