226281276 has 120 divisors (see below), whose sum is σ = 657976704. Its totient is φ = 67340160.

The previous prime is 226281217. The next prime is 226281277. The reversal of 226281276 is 672182622.

226281276 is a `hidden beast` number, since 2 + 2 + 628 + 1 + 27 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 226281276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226281277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 129706 + ... + 131438.

Almost surely, 2^226281276 is an apocalyptic number.

226281276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226281276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328988352).

226281276 is an abundant number, since it is smaller than the sum of its proper divisors (431695428).

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

226281276 is a wasteful number, since it uses less digits than its factorization.

226281276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1782 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 226281276 is about 15042.6485699826. The cubic root of 226281276 is about 609.3725304515.

It can be divided in two parts, 2262 and 81276, that added together give a palindrome (83538).

The spelling of 226281276 in words is "two hundred twenty-six million, two hundred eighty-one thousand, two hundred seventy-six".