226228689 has 6 divisors (see below), whose sum is σ = 326774786. Its totient is φ = 150819120.

The previous prime is 226228663. The next prime is 226228699. The reversal of 226228689 is 986822622.

It can be written as a sum of positive squares in only one way, i.e., 125888400 + 100340289 = 11220^2 + 10017^2 .

It is not a de Polignac number, because 226228689 - 2⁵ = 226228657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226228699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12568252 + ... + 12568269.

Almost surely, 2^226228689 is an apocalyptic number.

It is an amenable number.

226228689 is a deficient number, since it is larger than the sum of its proper divisors (100546097).

226228689 is a wasteful number, since it uses less digits than its factorization.

226228689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25136527 (or 25136524 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 226228689 is about 15040.9005381992. The cubic root of 226228689 is about 609.3253214255.

The spelling of 226228689 in words is "two hundred twenty-six million, two hundred twenty-eight thousand, six hundred eighty-nine".