6402322 has 4 divisors (see below), whose sum is σ = 9603486. Its totient is φ = 3201160.

The previous prime is 6402311. The next prime is 6402323. The reversal of 6402322 is 2232046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 2556801 = 1961^2 + 1599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6402322.

It is not an unprimeable number, because it can be changed into a prime (6402323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600579 + ... + 1600582.

Almost surely, 2^6402322 is an apocalyptic number.

6402322 is a deficient number, since it is larger than the sum of its proper divisors (3201164).

6402322 is a wasteful number, since it uses less digits than its factorization.

6402322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201163.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 6402322 is about 2530.2810120617. The cubic root of 6402322 is about 185.6860043155.

Adding to 6402322 its reverse (2232046), we get a palindrome (8634368).

It can be divided in two parts, 6402 and 322, that added together give a square (6724 = 82²).

The spelling of 6402322 in words is "six million, four hundred two thousand, three hundred twenty-two".