872222 has 8 divisors (see below), whose sum is σ = 1409016. Its totient is φ = 402552.

The previous prime is 872203. The next prime is 872227. The reversal of 872222 is 222278.

It is a happy number.

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

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16748 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (176127).

2⁸⁷²²²² is an apocalyptic number.

872222 is a deficient number, since it is larger than the sum of its proper divisors (536794).

872222 is a wasteful number, since it uses less digits than its factorization.

872222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33562.

The product of its digits is 896, while the sum is 23.

The square root of 872222 is about 933.9282627697. The cubic root of 872222 is about 95.5452304410.

The spelling of 872222 in words is "eight hundred seventy-two thousand, two hundred twenty-two".