6631322 has 4 divisors (see below), whose sum is σ = 9946986. Its totient is φ = 3315660.

The previous prime is 6631321. The next prime is 6631327. The reversal of 6631322 is 2231366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2231366 = 2 ⋅1115683.

It can be written as a sum of positive squares in only one way, i.e., 4414201 + 2217121 = 2101^2 + 1489^2 .

It is not an unprimeable number, because it can be changed into a prime (6631321) 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 as a sum of consecutive naturals, namely, 1657829 + ... + 1657832.

Almost surely, 2^6631322 is an apocalyptic number.

6631322 is a deficient number, since it is larger than the sum of its proper divisors (3315664).

6631322 is a wasteful number, since it uses less digits than its factorization.

6631322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315663.

The product of its digits is 1296, while the sum is 23.

The square root of 6631322 is about 2575.1353362493. The cubic root of 6631322 is about 187.8740101987.

Adding to 6631322 its reverse (2231366), we get a palindrome (8862688).

The spelling of 6631322 in words is "six million, six hundred thirty-one thousand, three hundred twenty-two".