822269 has 12 divisors (see below), whose sum is σ = 971964. Its totient is φ = 693504.

The previous prime is 822259. The next prime is 822277. The reversal of 822269 is 962228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 240100 = 763^2 + 490^2 .

It is not a de Polignac number, because 822269 - 2⁴ = 822253 is a prime.

It is a super-2 number, since 2×822269² = 1352252616722, which contains 22 as substring.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822229) 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 11 ways as a sum of consecutive naturals, for example, 4667 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (80997).

2⁸²²²⁶⁹ is an apocalyptic number.

It is an amenable number.

822269 is a deficient number, since it is larger than the sum of its proper divisors (149695).

822269 is a wasteful number, since it uses less digits than its factorization.

822269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 277 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 822269 is about 906.7904939952. The cubic root of 822269 is about 93.6852685004.

The spelling of 822269 in words is "eight hundred twenty-two thousand, two hundred sixty-nine".