226610813 has 16 divisors (see below), whose sum is σ = 272728512. Its totient is φ = 185520000.

The previous prime is 226610809. The next prime is 226610819. The reversal of 226610813 is 318016622.

It is a cyclic number.

It is not a de Polignac number, because 226610813 - 2² = 226610809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226610819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13463 + ... + 25188.

It is an arithmetic number, because the mean of its divisors is an integer number (17045532).

Almost surely, 2^226610813 is an apocalyptic number.

It is an amenable number.

226610813 is a deficient number, since it is larger than the sum of its proper divisors (46117699).

226610813 is a wasteful number, since it uses less digits than its factorization.

226610813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38716.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 226610813 is about 15053.5980084497. The cubic root of 226610813 is about 609.6681999189.

The spelling of 226610813 in words is "two hundred twenty-six million, six hundred ten thousand, eight hundred thirteen".