32442228 has 96 divisors (see below), whose sum is σ = 103550720. Its totient is φ = 8553600.

The previous prime is 32442227. The next prime is 32442247. The reversal of 32442228 is 82224423.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32442227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8178 + ... + 11478.

Almost surely, 2^32442228 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 32442228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51775360).

32442228 is an abundant number, since it is smaller than the sum of its proper divisors (71108492).

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

32442228 is a wasteful number, since it uses less digits than its factorization.

32442228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3326 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 32442228 is about 5695.8079321550. The cubic root of 32442228 is about 318.9360104613.

The spelling of 32442228 in words is "thirty-two million, four hundred forty-two thousand, two hundred twenty-eight".