7222223 has 4 divisors (see below), whose sum is σ = 7602360. Its totient is φ = 6842088.

The previous prime is 7222219. The next prime is 7222279. The reversal of 7222223 is 3222227.

7222223 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, and also an emirpimes, since its reverse is a distinct semiprime: 3222227 = 281 ⋅11467.

It is a cyclic number.

It is not a de Polignac number, because 7222223 - 2² = 7222219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7222195 and 7222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222123) 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, 190040 + ... + 190077.

It is an arithmetic number, because the mean of its divisors is an integer number (1900590).

Almost surely, 2^7222223 is an apocalyptic number.

7222223 is a deficient number, since it is larger than the sum of its proper divisors (380137).

7222223 is a wasteful number, since it uses less digits than its factorization.

7222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380136.

The product of its digits is 672, while the sum is 20.

The square root of 7222223 is about 2687.4193941400. The cubic root of 7222223 is about 193.2963401938.

The spelling of 7222223 in words is "seven million, two hundred twenty-two thousand, two hundred twenty-three".