226455813 has 24 divisors (see below), whose sum is σ = 345500480. Its totient is φ = 142534080.

The previous prime is 226455811. The next prime is 226455821. The reversal of 226455813 is 318554622.

226455813 is a `hidden beast` number, since 2 + 2 + 645 + 5 + 8 + 1 + 3 = 666.

It is not a de Polignac number, because 226455813 - 2¹ = 226455811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226455811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51408 + ... + 55638.

Almost surely, 2^226455813 is an apocalyptic number.

It is an amenable number.

226455813 is a deficient number, since it is larger than the sum of its proper divisors (119044667).

226455813 is a wasteful number, since it uses less digits than its factorization.

226455813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4566 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 226455813 is about 15048.4488569420. The cubic root of 226455813 is about 609.5291654757.

The spelling of 226455813 in words is "two hundred twenty-six million, four hundred fifty-five thousand, eight hundred thirteen".