226666403 has 8 divisors (see below), whose sum is σ = 242914848. Its totient is φ = 210950784.

The previous prime is 226666397. The next prime is 226666439. The reversal of 226666403 is 304666622.

226666403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 226666403 - 2⁸ = 226666147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226666463) 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, 132326 + ... + 134027.

It is an arithmetic number, because the mean of its divisors is an integer number (30364356).

Almost surely, 2^226666403 is an apocalyptic number.

226666403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

226666403 is a deficient number, since it is larger than the sum of its proper divisors (16248445).

226666403 is a wasteful number, since it uses less digits than its factorization.

226666403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266413.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 226666403 is about 15055.4442976619. Note that the first 3 decimals coincide. The cubic root of 226666403 is about 609.7180485027.

The spelling of 226666403 in words is "two hundred twenty-six million, six hundred sixty-six thousand, four hundred three".