822273 has 16 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 492800.

The previous prime is 822259. The next prime is 822277. The reversal of 822273 is 372228.

It is a cyclic number.

It is not a de Polignac number, because 822273 - 2¹³ = 814081 is a prime.

It is a super-2 number, since 2×822273² = 1352265773058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (822277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (75816).

It is a Proth number, since it is equal to 803 ⋅ 2¹⁰ + 1 and 803 < 2¹⁰.

2⁸²²²⁷³ is an apocalyptic number.

It is an amenable number.

822273 is a deficient number, since it is larger than the sum of its proper divisors (390783).

822273 is a wasteful number, since it uses less digits than its factorization.

822273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its digits is 1344, while the sum is 24.

The square root of 822273 is about 906.7926995736. The cubic root of 822273 is about 93.6854204135.

The spelling of 822273 in words is "eight hundred twenty-two thousand, two hundred seventy-three".