2238568 has 16 divisors (see below), whose sum is σ = 4342500. Its totient is φ = 1080576.

The previous prime is 2238557. The next prime is 2238569. The reversal of 2238568 is 8658322.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 101124 = 1462^2 + 318^2 .

It is a super-2 number, since 2×2238568² = 10022373381248, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 2¹³ + 3⁵ + 8 + 5⁷ + 6⁶ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2238569) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4593 + ... + 5056.

2^2238568 is an apocalyptic number.

It is an amenable number.

2238568 is a deficient number, since it is larger than the sum of its proper divisors (2103932).

2238568 is a wasteful number, since it uses less digits than its factorization.

2238568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684 (or 9680 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2238568 is about 1496.1844806039. The cubic root of 2238568 is about 130.8147645178.

The spelling of 2238568 in words is "two million, two hundred thirty-eight thousand, five hundred sixty-eight".