4022309 has 8 divisors (see below), whose sum is σ = 4224960. Its totient is φ = 3822016.

The previous prime is 4022303. The next prime is 4022323. The reversal of 4022309 is 9032204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022309 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022303) 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, 3629 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (528120).

Almost surely, 2^4022309 is an apocalyptic number.

It is an amenable number.

4022309 is a deficient number, since it is larger than the sum of its proper divisors (202651).

4022309 is a wasteful number, since it uses less digits than its factorization.

4022309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4022309 is about 2005.5694951809. The cubic root of 4022309 is about 159.0346693383.

The spelling of 4022309 in words is "four million, twenty-two thousand, three hundred nine".