822226 has 4 divisors (see below), whose sum is σ = 1233342. Its totient is φ = 411112.

The previous prime is 822223. The next prime is 822229. The reversal of 822226 is 622228.

822226 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.

It is an interprime number because it is at equal distance from previous prime (822223) and next prime (822229).

It can be written as a sum of positive squares in only one way, i.e., 641601 + 180625 = 801^2 + 425^2 .

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 822197 and 822206.

It is not an unprimeable number, because it can be changed into a prime (822221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205555 + ... + 205558.

2⁸²²²²⁶ is an apocalyptic number.

822226 is a deficient number, since it is larger than the sum of its proper divisors (411116).

822226 is a wasteful number, since it uses less digits than its factorization.

822226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411115.

The product of its digits is 768, while the sum is 22.

The square root of 822226 is about 906.7667836881. The cubic root of 822226 is about 93.6836354027.

It can be divided in two parts, 82222 and 6, that added together give a palindrome (82228).

The spelling of 822226 in words is "eight hundred twenty-two thousand, two hundred twenty-six".