2234428 has 12 divisors (see below), whose sum is σ = 4468912. Its totient is φ = 957600.

The previous prime is 2234417. The next prime is 2234431. The reversal of 2234428 is 8244322.

2234428 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39873 + ... + 39928.

2^2234428 is an apocalyptic number.

2234428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2234428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2234428 is a wasteful number, since it uses less digits than its factorization.

2234428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79812 (or 79810 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 2234428 is about 1494.8003211132. The cubic root of 2234428 is about 130.7340719605.

It can be divided in two parts, 2234 and 428, that added together give a palindrome (2662).

The spelling of 2234428 in words is "two million, two hundred thirty-four thousand, four hundred twenty-eight".