26844228 has 18 divisors (see below), whose sum is σ = 67856334. Its totient is φ = 8948064.

The previous prime is 26844221. The next prime is 26844229. The reversal of 26844228 is 82244862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 956484 = 5088^2 + 978^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×26844228² = 1441225153831968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 745673 = 26844228 / (2 + 6 + 8 + 4 + 4 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 26844192 and 26844201.

It is not an unprimeable number, because it can be changed into a prime (26844221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372801 + ... + 372872.

Almost surely, 2^26844228 is an apocalyptic number.

It is an amenable number.

26844228 is an abundant number, since it is smaller than the sum of its proper divisors (41012106).

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

26844228 is a wasteful number, since it uses less digits than its factorization.

26844228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745683 (or 745678 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 26844228 is about 5181.1415730513. The cubic root of 26844228 is about 299.4219535899.

It can be divided in two parts, 26844 and 228, that added together give a palindrome (27072).

The spelling of 26844228 in words is "twenty-six million, eight hundred forty-four thousand, two hundred twenty-eight".