772223 has 4 divisors (see below), whose sum is σ = 774888. Its totient is φ = 769560.

The previous prime is 772207. The next prime is 772229. The reversal of 772223 is 322277.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322277 = 29 ⋅11113.

It is a cyclic number.

It is not a de Polignac number, because 772223 - 2⁴ = 772207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (193722).

2⁷⁷²²²³ is an apocalyptic number.

772223 is a deficient number, since it is larger than the sum of its proper divisors (2665).

772223 is a wasteful number, since it uses less digits than its factorization.

772223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 1176, while the sum is 23.

The square root of 772223 is about 878.7621976394. The cubic root of 772223 is about 91.7446843607.

It can be divided in two parts, 77 and 2223, that multiplied together give a palindrome (171171).

The spelling of 772223 in words is "seven hundred seventy-two thousand, two hundred twenty-three", and thus it is an iban number.