872226 has 24 divisors (see below), whose sum is σ = 1931904. Its totient is φ = 284280.

The previous prime is 872203. The next prime is 872227. The reversal of 872226 is 622278.

872226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 872226.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872226.

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

872226 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 11 ways as a sum of consecutive naturals, for example, 331 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (80496).

2⁸⁷²²²⁶ is an apocalyptic number.

872226 is an abundant number, since it is smaller than the sum of its proper divisors (1059678).

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

872226 is a wasteful number, since it uses less digits than its factorization.

872226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1083 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 872226 is about 933.9304042593. The cubic root of 872226 is about 95.5453764972.

The spelling of 872226 in words is "eight hundred seventy-two thousand, two hundred twenty-six".