2221232 has 40 divisors (see below), whose sum is σ = 4739280. Its totient is φ = 1002240.

The previous prime is 2221231. The next prime is 2221249. The reversal of 2221232 is 2321222.

2221232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2221232³ = 32877820430933397504, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12182 + ... + 12362.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

2^2221232 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 2221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369640).

2221232 is an abundant number, since it is smaller than the sum of its proper divisors (2518048).

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

2221232 is a wasteful number, since it uses less digits than its factorization.

2221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 2221232 is about 1490.3798173620. The cubic root of 2221232 is about 130.4762022146.

Adding to 2221232 its reverse (2321222), we get a palindrome (4542454).

The spelling of 2221232 in words is "two million, two hundred twenty-one thousand, two hundred thirty-two".