226685281 has 4 divisors (see below), whose sum is σ = 226720000. Its totient is φ = 226650564.

The previous prime is 226685243. The next prime is 226685297. The reversal of 226685281 is 182586622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226685281 - 2¹⁵ = 226652513 is a prime.

It is a super-2 number, since 2×226685281² = 102772433244097922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226680281) 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, 4281 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (56680000).

Almost surely, 2^226685281 is an apocalyptic number.

It is an amenable number.

226685281 is a deficient number, since it is larger than the sum of its proper divisors (34719).

226685281 is an equidigital number, since it uses as much as digits as its factorization.

226685281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34718.

The product of its digits is 92160, while the sum is 40.

The square root of 226685281 is about 15056.0712338910. The cubic root of 226685281 is about 609.7349749015.

The spelling of 226685281 in words is "two hundred twenty-six million, six hundred eighty-five thousand, two hundred eighty-one".