4224309 has 8 divisors (see below), whose sum is σ = 5655360. Its totient is φ = 2804736.

The previous prime is 4224281. The next prime is 4224317. The reversal of 4224309 is 9034224.

It is a happy number.

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

It is not a de Polignac number, because 4224309 - 2¹³ = 4216117 is a prime.

It is a Curzon number.

4224309 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224379) 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, 1969 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (706920).

Almost surely, 2^4224309 is an apocalyptic number.

It is an amenable number.

4224309 is a deficient number, since it is larger than the sum of its proper divisors (1431051).

4224309 is a wasteful number, since it uses less digits than its factorization.

4224309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4224309 is about 2055.3123850160. The cubic root of 4224309 is about 161.6535424686.

The spelling of 4224309 in words is "four million, two hundred twenty-four thousand, three hundred nine".