5228138 has 4 divisors (see below), whose sum is σ = 7842210. Its totient is φ = 2614068.

The previous prime is 5228131. The next prime is 5228143. The reversal of 5228138 is 8318225.

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

It can be written as a sum of positive squares in only one way, i.e., 4338889 + 889249 = 2083^2 + 943^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5228138.

It is not an unprimeable number, because it can be changed into a prime (5228131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307033 + ... + 1307036.

Almost surely, 2^5228138 is an apocalyptic number.

5228138 is a deficient number, since it is larger than the sum of its proper divisors (2614072).

5228138 is a wasteful number, since it uses less digits than its factorization.

5228138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614071.

The product of its digits is 3840, while the sum is 29.

The square root of 5228138 is about 2286.5121910893. The cubic root of 5228138 is about 173.5597493168.

The spelling of 5228138 in words is "five million, two hundred twenty-eight thousand, one hundred thirty-eight".