226856851 has 8 divisors (see below), whose sum is σ = 244614384. Its totient is φ = 209143200.

The previous prime is 226856831. The next prime is 226856869. The reversal of 226856851 is 158658622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226856851 - 2¹⁹ = 226332563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226856798 and 226856807.

It is not an unprimeable number, because it can be changed into a prime (226856831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (30576798).

Almost surely, 2^226856851 is an apocalyptic number.

226856851 is a deficient number, since it is larger than the sum of its proper divisors (17757533).

226856851 is a wasteful number, since it uses less digits than its factorization.

226856851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21941.

The product of its digits is 230400, while the sum is 43.

The square root of 226856851 is about 15061.7678577251. The cubic root of 226856851 is about 609.8887649900. Note that the first 3 decimals are identical.

The spelling of 226856851 in words is "two hundred twenty-six million, eight hundred fifty-six thousand, eight hundred fifty-one".