22330872 has 48 divisors (see below), whose sum is σ = 60830640. Its totient is φ = 7400448.

The previous prime is 22330859. The next prime is 22330879. The reversal of 22330872 is 27803322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13093 + ... + 14699.

It is an arithmetic number, because the mean of its divisors is an integer number (1267305).

Almost surely, 2^22330872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22330872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30415320).

22330872 is an abundant number, since it is smaller than the sum of its proper divisors (38499768).

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

22330872 is a wasteful number, since it uses less digits than its factorization.

22330872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 22330872 is about 4725.5552054759. Note that the first 3 decimals coincide. The cubic root of 22330872 is about 281.6016709074.

The spelling of 22330872 in words is "twenty-two million, three hundred thirty thousand, eight hundred seventy-two".