6722402 has 8 divisors (see below), whose sum is σ = 10094700. Its totient is φ = 3357504.

The previous prime is 6722399. The next prime is 6722411. The reversal of 6722402 is 2042276.

It can be written as a sum of positive squares in 2 ways, for example, as 4977361 + 1745041 = 2231^2 + 1321^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174 + ... + 4262.

Almost surely, 2^6722402 is an apocalyptic number.

6722402 is a deficient number, since it is larger than the sum of its proper divisors (3372298).

6722402 is a wasteful number, since it uses less digits than its factorization.

6722402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 6722402 is about 2592.7595337786. The cubic root of 6722402 is about 188.7302404647.

Adding to 6722402 its reverse (2042276), we get a palindrome (8764678).

The spelling of 6722402 in words is "six million, seven hundred twenty-two thousand, four hundred two".