6422651 has 8 divisors (see below), whose sum is σ = 6823440. Its totient is φ = 6024448.

The previous prime is 6422641. The next prime is 6422657. The reversal of 6422651 is 1562246.

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

It is a cyclic number.

It is not a de Polignac number, because 6422651 - 2¹⁸ = 6160507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6422651.

It is not an unprimeable number, because it can be changed into a prime (6422657) 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, 7535 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (852930).

Almost surely, 2^6422651 is an apocalyptic number.

6422651 is a deficient number, since it is larger than the sum of its proper divisors (400789).

6422651 is a wasteful number, since it uses less digits than its factorization.

6422651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293.

The product of its digits is 2880, while the sum is 26.

The square root of 6422651 is about 2534.2949709929. The cubic root of 6422651 is about 185.8823300906.

Adding to 6422651 its reverse (1562246), we get a palindrome (7984897).

The spelling of 6422651 in words is "six million, four hundred twenty-two thousand, six hundred fifty-one".