873222 has 32 divisors (see below), whose sum is σ = 2115072. Its totient is φ = 234624.

The previous prime is 873209. The next prime is 873247. The reversal of 873222 is 222378.

It is a super-2 number, since 2×873222² = 1525033322568, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 873192 and 873201.

It is a congruent number.

It is an unprimeable number.

873222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2⁸⁷³²²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057536).

873222 is an abundant number, since it is smaller than the sum of its proper divisors (1241850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873222 is a wasteful number, since it uses less digits than its factorization.

873222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

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

The square root of 873222 is about 934.4634824326. The cubic root of 873222 is about 95.5817306055.

The spelling of 873222 in words is "eight hundred seventy-three thousand, two hundred twenty-two".