226520613 has 24 divisors (see below), whose sum is σ = 365654016. Its totient is φ = 133934400.

The previous prime is 226520599. The next prime is 226520659. The reversal of 226520613 is 316025622.

226520613 is a `hidden beast` number, since 2 + 2 + 652 + 0 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 226520613 - 2¹³ = 226512421 is a prime.

It is a super-2 number, since 2×226520613² = 102623176227791538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226520113) 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, 23845 + ... + 31962.

It is an arithmetic number, because the mean of its divisors is an integer number (15235584).

Almost surely, 2^226520613 is an apocalyptic number.

It is an amenable number.

226520613 is a deficient number, since it is larger than the sum of its proper divisors (139133403).

226520613 is a wasteful number, since it uses less digits than its factorization.

226520613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55865 (or 55862 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 226520613 is about 15050.6017487674. The cubic root of 226520613 is about 609.5872985579.

The spelling of 226520613 in words is "two hundred twenty-six million, five hundred twenty thousand, six hundred thirteen".