226646826 has 16 divisors (see below), whose sum is σ = 518049984. Its totient is φ = 64756224.

The previous prime is 226646821. The next prime is 226646837. The reversal of 226646826 is 628646622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5396353 = 226646826 / (2 + 2 + 6 + 6 + 4 + 6 + 8 + 2 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226646821) 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 7 ways as a sum of consecutive naturals, for example, 2698135 + ... + 2698218.

It is an arithmetic number, because the mean of its divisors is an integer number (32378124).

Almost surely, 2^226646826 is an apocalyptic number.

226646826 is an abundant number, since it is smaller than the sum of its proper divisors (291403158).

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

226646826 is a wasteful number, since it uses less digits than its factorization.

226646826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396365.

The product of its digits is 331776, while the sum is 42.

The square root of 226646826 is about 15054.7941201466. The cubic root of 226646826 is about 609.7004943736.

The spelling of 226646826 in words is "two hundred twenty-six million, six hundred forty-six thousand, eight hundred twenty-six".