822266 has 8 divisors (see below), whose sum is σ = 1276020. Its totient is φ = 396928.

The previous prime is 822259. The next prime is 822277. The reversal of 822266 is 662228.

It can be written as a sum of positive squares in 2 ways, for example, as 714025 + 108241 = 845^2 + 329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×822266² = 1352242749512, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7031 + ... + 7146.

2⁸²²²⁶⁶ is an apocalyptic number.

822266 is a deficient number, since it is larger than the sum of its proper divisors (453754).

822266 is a wasteful number, since it uses less digits than its factorization.

822266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14208.

The product of its digits is 2304, while the sum is 26.

The square root of 822266 is about 906.7888398078. The cubic root of 822266 is about 93.6851545652.

The spelling of 822266 in words is "eight hundred twenty-two thousand, two hundred sixty-six".