226665416 has 8 divisors (see below), whose sum is σ = 424997670. Its totient is φ = 113332704.

The previous prime is 226665407. The next prime is 226665419. The reversal of 226665416 is 614566622.

It can be written as a sum of positive squares in only one way, i.e., 202948516 + 23716900 = 14246^2 + 4870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 226665416.

It is not an unprimeable number, because it can be changed into a prime (226665419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14166581 + ... + 14166596.

Almost surely, 2^226665416 is an apocalyptic number.

It is an amenable number.

226665416 is a deficient number, since it is larger than the sum of its proper divisors (198332254).

226665416 is a wasteful number, since it uses less digits than its factorization.

226665416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333183 (or 28333179 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 226665416 is about 15055.4115187862. The cubic root of 226665416 is about 609.7171635126.

It can be divided in two parts, 22666 and 5416, that added together give a palindrome (28082).

The spelling of 226665416 in words is "two hundred twenty-six million, six hundred sixty-five thousand, four hundred sixteen".