8722223 has 2 divisors, whose sum is σ = 8722224. Its totient is φ = 8722222.

The previous prime is 8722211. The next prime is 8722237. The reversal of 8722223 is 3222278.

8722223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8722223 - 2¹⁸ = 8460079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8722192 and 8722201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8722283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361111 + 4361112.

It is an arithmetic number, because the mean of its divisors is an integer number (4361112).

Almost surely, 2^8722223 is an apocalyptic number.

8722223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722223 is an equidigital number, since it uses as much as digits as its factorization.

8722223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 8722223 is about 2953.3409894558. The cubic root of 8722223 is about 205.8459825293.

Subtracting from 8722223 its reverse (3222278), we obtain a palindrome (5499945).

The spelling of 8722223 in words is "eight million, seven hundred twenty-two thousand, two hundred twenty-three".