226616859 has 20 divisors (see below), whose sum is σ = 386888304. Its totient is φ = 129495024.

The previous prime is 226616839. The next prime is 226616869. The reversal of 226616859 is 958616622.

226616859 is a `hidden beast` number, since 2 + 26 + 616 + 8 + 5 + 9 = 666.

226616859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226616859 - 2⁵ = 226616827 is a prime.

It is a super-3 number, since 3×226616859³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (226616839) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199272 + ... + 200405.

Almost surely, 2^226616859 is an apocalyptic number.

226616859 is a deficient number, since it is larger than the sum of its proper divisors (160271445).

226616859 is an equidigital number, since it uses as much as digits as its factorization.

226616859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399696 (or 399687 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 226616859 is about 15053.7988228885. The cubic root of 226616859 is about 609.6736218743.

It can be divided in two parts, 226616 and 859, that added together give a triangular number (227475 = T₆₇₄).

The spelling of 226616859 in words is "two hundred twenty-six million, six hundred sixteen thousand, eight hundred fifty-nine".