7223839 has 8 divisors (see below), whose sum is σ = 8360960. Its totient is φ = 6113016.

The previous prime is 7223833. The next prime is 7223851. The reversal of 7223839 is 9383227.

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

It is not a de Polignac number, because 7223839 - 2⁵ = 7223807 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 (7223833) 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, 5979 + ... + 7084.

It is an arithmetic number, because the mean of its divisors is an integer number (1045120).

Almost surely, 2^7223839 is an apocalyptic number.

7223839 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

7223839 is a deficient number, since it is larger than the sum of its proper divisors (1137121).

7223839 is a wasteful number, since it uses less digits than its factorization.

7223839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149.

The product of its digits is 18144, while the sum is 34.

The square root of 7223839 is about 2687.7200375039. The cubic root of 7223839 is about 193.3107560503.

The spelling of 7223839 in words is "seven million, two hundred twenty-three thousand, eight hundred thirty-nine".