2131322 has 8 divisors (see below), whose sum is σ = 3206676. Its totient is φ = 1062432.

The previous prime is 2131321. The next prime is 2131361. The reversal of 2131322 is 2231312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2105401 + 25921 = 1451^2 + 161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2131297 and 2131306.

It is not an unprimeable number, because it can be changed into a prime (2131321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 2174.

2^2131322 is an apocalyptic number.

2131322 is a deficient number, since it is larger than the sum of its proper divisors (1075354).

2131322 is a wasteful number, since it uses less digits than its factorization.

2131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

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

The square root of 2131322 is about 1459.9047914162. The cubic root of 2131322 is about 128.6914485393.

Adding to 2131322 its reverse (2231312), we get a palindrome (4362634).

The spelling of 2131322 in words is "two million, one hundred thirty-one thousand, three hundred twenty-two".