28200114 has 12 divisors (see below), whose sum is σ = 61100286. Its totient is φ = 9400032.

The previous prime is 28200113. The next prime is 28200143. The reversal of 28200114 is 41100282.

It can be written as a sum of positive squares in only one way, i.e., 16524225 + 11675889 = 4065^2 + 3417^2 .

It is a super-2 number, since 2×28200114² = 1590492859225992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1566673 = 28200114 / (2 + 8 + 2 + 0 + 0 + 1 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28200113) 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 in 5 ways as a sum of consecutive naturals, for example, 783319 + ... + 783354.

Almost surely, 2^28200114 is an apocalyptic number.

28200114 is an abundant number, since it is smaller than the sum of its proper divisors (32900172).

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

28200114 is a wasteful number, since it uses less digits than its factorization.

28200114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566681 (or 1566678 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 28200114 is about 5310.3779526508. The cubic root of 28200114 is about 304.3805900953.

Adding to 28200114 its reverse (41100282), we get a palindrome (69300396).

The spelling of 28200114 in words is "twenty-eight million, two hundred thousand, one hundred fourteen".