727222 has 4 divisors (see below), whose sum is σ = 1090836. Its totient is φ = 363610.

The previous prime is 727211. The next prime is 727241. The reversal of 727222 is 222727.

727222 is nontrivially palindromic in base 7.

727222 is digitally balanced in base 2, 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: 222727 = 71 ⋅3137.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 727193 and 727202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181804 + ... + 181807.

It is an arithmetic number, because the mean of its divisors is an integer number (272709).

2⁷²⁷²²² is an apocalyptic number.

727222 is a deficient number, since it is larger than the sum of its proper divisors (363614).

727222 is a wasteful number, since it uses less digits than its factorization.

727222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363613.

The product of its digits is 784, while the sum is 22.

The square root of 727222 is about 852.7731234039. The cubic root of 727222 is about 89.9267717099.

Adding to 727222 its reverse (222727), we get a palindrome (949949).

It can be divided in two parts, 727 and 222, that added together give a palindrome (949).

The spelling of 727222 in words is "seven hundred twenty-seven thousand, two hundred twenty-two", and thus it is an iban number.