2228718 has 8 divisors (see below), whose sum is σ = 4457448. Its totient is φ = 742904.

The previous prime is 2228713. The next prime is 2228731. The reversal of 2228718 is 8178222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2228718 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185721 + ... + 185732.

It is an arithmetic number, because the mean of its divisors is an integer number (557181).

2^2228718 is an apocalyptic number.

2228718 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.

2228718 is a wasteful number, since it uses less digits than its factorization.

2228718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371458.

The product of its digits is 3584, while the sum is 30.

The square root of 2228718 is about 1492.8891452482. The cubic root of 2228718 is about 130.6226148996.

The spelling of 2228718 in words is "two million, two hundred twenty-eight thousand, seven hundred eighteen".