226406645 has 8 divisors (see below), whose sum is σ = 273762720. Its totient is φ = 179742160.

The previous prime is 226406627. The next prime is 226406681. The reversal of 226406645 is 546604622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226406645 - 2¹⁴ = 226390261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172175 + ... + 173484.

It is an arithmetic number, because the mean of its divisors is an integer number (34220340).

Almost surely, 2^226406645 is an apocalyptic number.

It is an amenable number.

226406645 is a deficient number, since it is larger than the sum of its proper divisors (47356075).

226406645 is a wasteful number, since it uses less digits than its factorization.

226406645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345795.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 226406645 is about 15046.8151115111. The cubic root of 226406645 is about 609.4850487025.

The spelling of 226406645 in words is "two hundred twenty-six million, four hundred six thousand, six hundred forty-five".