2238912 has 126 divisors (see below), whose sum is σ = 7251192. Its totient is φ = 658944.

The previous prime is 2238823. The next prime is 2238931. The reversal of 2238912 is 2198322.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 97333 + ... + 97355.

2^2238912 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 2238912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625596).

2238912 is an abundant number, since it is smaller than the sum of its proper divisors (5012280).

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

2238912 is a wasteful number, since it uses less digits than its factorization.

2238912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 41 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2238912 is about 1496.2994352736. The cubic root of 2238912 is about 130.8214649283.

The spelling of 2238912 in words is "two million, two hundred thirty-eight thousand, nine hundred twelve".