226686349 has 4 divisors (see below), whose sum is σ = 226717564. Its totient is φ = 226655136.

The previous prime is 226686337. The next prime is 226686377. The reversal of 226686349 is 943686622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 65853225 + 160833124 = 8115^2 + 12682^2 .

It is a cyclic number.

It is not a de Polignac number, because 226686349 - 2⁷ = 226686221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226686299 and 226686308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226686329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639 + ... + 21355.

It is an arithmetic number, because the mean of its divisors is an integer number (56679391).

Almost surely, 2^226686349 is an apocalyptic number.

It is an amenable number.

226686349 is a deficient number, since it is larger than the sum of its proper divisors (31215).

226686349 is a wasteful number, since it uses less digits than its factorization.

226686349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31214.

The product of its digits is 746496, while the sum is 46.

The square root of 226686349 is about 15056.1067012691. The cubic root of 226686349 is about 609.7359324639.

The spelling of 226686349 in words is "two hundred twenty-six million, six hundred eighty-six thousand, three hundred forty-nine".