226648885 has 4 divisors (see below), whose sum is σ = 271978668. Its totient is φ = 181319104.

The previous prime is 226648883. The next prime is 226648889. The reversal of 226648885 is 588846622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53831569 + 172817316 = 7337^2 + 13146^2 .

It is a cyclic number.

It is not a de Polignac number, because 226648885 - 2¹ = 226648883 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226648883) 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 3 ways as a sum of consecutive naturals, for example, 22664884 + ... + 22664893.

It is an arithmetic number, because the mean of its divisors is an integer number (67994667).

Almost surely, 2^226648885 is an apocalyptic number.

It is an amenable number.

226648885 is a deficient number, since it is larger than the sum of its proper divisors (45329783).

226648885 is an equidigital number, since it uses as much as digits as its factorization.

226648885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45329782.

The product of its digits is 1474560, while the sum is 49.

The square root of 226648885 is about 15054.8625035236. The cubic root of 226648885 is about 609.7023406668.

The spelling of 226648885 in words is "two hundred twenty-six million, six hundred forty-eight thousand, eight hundred eighty-five".