7223849 has 4 divisors (see below), whose sum is σ = 7232964. Its totient is φ = 7214736.

The previous prime is 7223833. The next prime is 7223851. The reversal of 7223849 is 9483227.

7223849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5382400 + 1841449 = 2320^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 7223849 - 2⁴ = 7223833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7223809) 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, 3242 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (1808241).

Almost surely, 2^7223849 is an apocalyptic number.

It is an amenable number.

7223849 is a deficient number, since it is larger than the sum of its proper divisors (9115).

7223849 is an equidigital number, since it uses as much as digits as its factorization.

7223849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114.

The product of its digits is 24192, while the sum is 35.

The square root of 7223849 is about 2687.7218978161. The cubic root of 7223849 is about 193.3108452506.

The spelling of 7223849 in words is "seven million, two hundred twenty-three thousand, eight hundred forty-nine".