7220223 has 24 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 4416000.

The previous prime is 7220219. The next prime is 7220231. The reversal of 7220223 is 3220227.

It is not a de Polignac number, because 7220223 - 2² = 7220219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7220196 and 7220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5698 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 2^7220223 is an apocalyptic number.

7220223 is a deficient number, since it is larger than the sum of its proper divisors (4101633).

7220223 is a wasteful number, since it uses less digits than its factorization.

7220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7220223 is about 2687.0472641917. The cubic root of 7220223 is about 193.2784958094.

The spelling of 7220223 in words is "seven million, two hundred twenty thousand, two hundred twenty-three".