872022 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 271040.

The previous prime is 872017. The next prime is 872023. The reversal of 872022 is 220278.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 872022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9754 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁸⁷²⁰²² is an apocalyptic number.

872022 is an abundant number, since it is smaller than the sum of its proper divisors (994218).

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

872022 is a wasteful number, since it uses less digits than its factorization.

872022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 872022 is about 933.8211820258. The cubic root of 872022 is about 95.5379270607.

The spelling of 872022 in words is "eight hundred seventy-two thousand, twenty-two".