2228318 has 4 divisors (see below), whose sum is σ = 3342480. Its totient is φ = 1114158.

The previous prime is 2228299. The next prime is 2228321. The reversal of 2228318 is 8138222.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2228318² = 9930802218248, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2² + 2¹⁶ + 2¹⁶ + 8 + 3⁴ + 1 + 8⁷ .

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 as a sum of consecutive naturals, namely, 557078 + ... + 557081.

It is an arithmetic number, because the mean of its divisors is an integer number (835620).

2^2228318 is an apocalyptic number.

2228318 is a deficient number, since it is larger than the sum of its proper divisors (1114162).

2228318 is a wasteful number, since it uses less digits than its factorization.

2228318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114161.

The product of its digits is 1536, while the sum is 26.

The square root of 2228318 is about 1492.7551708167. The cubic root of 2228318 is about 130.6147999178.

The spelling of 2228318 in words is "two million, two hundred twenty-eight thousand, three hundred eighteen".