6422997 has 8 divisors (see below), whose sum is σ = 9787456. Its totient is φ = 3670272.

The previous prime is 6422993. The next prime is 6423013. The reversal of 6422997 is 7992246.

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

It is not a de Polignac number, because 6422997 - 2² = 6422993 is a prime.

It is a d-powerful number, because it can be written as 6² + 4¹¹ + 2¹⁷ + 2²¹ + 9 + 9² + 7³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422993) 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, 152908 + ... + 152949.

It is an arithmetic number, because the mean of its divisors is an integer number (1223432).

Almost surely, 2^6422997 is an apocalyptic number.

It is an amenable number.

6422997 is a deficient number, since it is larger than the sum of its proper divisors (3364459).

6422997 is a wasteful number, since it uses less digits than its factorization.

6422997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305867.

The product of its digits is 54432, while the sum is 39.

The square root of 6422997 is about 2534.3632336348. The cubic root of 6422997 is about 185.8856679715.

The spelling of 6422997 in words is "six million, four hundred twenty-two thousand, nine hundred ninety-seven".