26826228 has 144 divisors (see below), whose sum is σ = 83044416. Its totient is φ = 7464960.

The previous prime is 26826209. The next prime is 26826229. The reversal of 26826228 is 82262862.

26826228 is a `hidden beast` number, since 26 + 8 + 2 + 622 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26826192 and 26826201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26826229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138900 + ... + 139092.

Almost surely, 2^26826228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26826228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41522208).

26826228 is an abundant number, since it is smaller than the sum of its proper divisors (56218188).

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

26826228 is a wasteful number, since it uses less digits than its factorization.

26826228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 222 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 26826228 is about 5179.4042128415. The cubic root of 26826228 is about 299.3550143053.

The spelling of 26826228 in words is "twenty-six million, eight hundred twenty-six thousand, two hundred twenty-eight".