6422309 has 4 divisors (see below), whose sum is σ = 6431040. Its totient is φ = 6413580.

The previous prime is 6422293. The next prime is 6422333. The reversal of 6422309 is 9032246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9032246 = 2 ⋅4516123.

It is a cyclic number.

It is not a de Polignac number, because 6422309 - 2⁴ = 6422293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3149 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (1607760).

Almost surely, 2^6422309 is an apocalyptic number.

It is an amenable number.

6422309 is a deficient number, since it is larger than the sum of its proper divisors (8731).

6422309 is an equidigital number, since it uses as much as digits as its factorization.

6422309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6422309 is about 2534.2274957075. The cubic root of 6422309 is about 185.8790306802.

The spelling of 6422309 in words is "six million, four hundred twenty-two thousand, three hundred nine".