2228238 has 12 divisors (see below), whose sum is σ = 4827888. Its totient is φ = 742740.

The previous prime is 2228221. The next prime is 2228243. The reversal of 2228238 is 8328222.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 61878 + ... + 61913.

It is an arithmetic number, because the mean of its divisors is an integer number (402324).

2^2228238 is an apocalyptic number.

2228238 is an abundant number, since it is smaller than the sum of its proper divisors (2599650).

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

2228238 is a wasteful number, since it uses less digits than its factorization.

2228238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123799 (or 123796 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2228238 is about 1492.7283744875. The cubic root of 2228238 is about 130.6132368092.

The spelling of 2228238 in words is "two million, two hundred twenty-eight thousand, two hundred thirty-eight".