2228432 has 40 divisors (see below), whose sum is σ = 4583040. Its totient is φ = 1048320.

The previous prime is 2228431. The next prime is 2228437. The reversal of 2228432 is 2348222.

It is a junction number, because it is equal to n+sod(n) for n = 2228398 and 2228407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28169 + ... + 28247.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2^2228432 is an apocalyptic number.

It is an amenable number.

2228432 is an abundant number, since it is smaller than the sum of its proper divisors (2354608).

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

2228432 is a wasteful number, since it uses less digits than its factorization.

2228432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 2228432 is about 1492.7933547548. The cubic root of 2228432 is about 130.6170272829.

The spelling of 2228432 in words is "two million, two hundred twenty-eight thousand, four hundred thirty-two".