872201322 has 24 divisors (see below), whose sum is σ = 1908120864. Its totient is φ = 287910504.

The previous prime is 872201311. The next prime is 872201359. The reversal of 872201322 is 223102278.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233368 + ... + 237075.

It is an arithmetic number, because the mean of its divisors is an integer number (79505036).

Almost surely, 2^872201322 is an apocalyptic number.

872201322 is an abundant number, since it is smaller than the sum of its proper divisors (1035919542).

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

872201322 is a wasteful number, since it uses less digits than its factorization.

872201322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470554 (or 470551 counting only the distinct ones).

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

The square root of 872201322 is about 29533.0547353300. The cubic root of 872201322 is about 955.4447539624. Note that the first 3 decimals are identical.

The spelling of 872201322 in words is "eight hundred seventy-two million, two hundred one thousand, three hundred twenty-two".