22843212 has 72 divisors (see below), whose sum is σ = 63259056. Its totient is φ = 6394752.

The previous prime is 22843201. The next prime is 22843241. The reversal of 22843212 is 21234822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30798 + ... + 31530.

It is an arithmetic number, because the mean of its divisors is an integer number (878598).

Almost surely, 2^22843212 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 22843212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31629528).

22843212 is an abundant number, since it is smaller than the sum of its proper divisors (40415844).

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

22843212 is a wasteful number, since it uses less digits than its factorization.

22843212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 798 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 22843212 is about 4779.4572913669. The cubic root of 22843212 is about 283.7390150159.

The spelling of 22843212 in words is "twenty-two million, eight hundred forty-three thousand, two hundred twelve".