226803618 has 32 divisors (see below), whose sum is σ = 505686720. Its totient is φ = 75349440.

The previous prime is 226803617. The next prime is 226803671. The reversal of 226803618 is 816308622.

It is a super-2 number, since 2×226803618² = 102879762275779848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226803617) 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, 9738 + ... + 23418.

It is an arithmetic number, because the mean of its divisors is an integer number (15802710).

Almost surely, 2^226803618 is an apocalyptic number.

226803618 is an abundant number, since it is smaller than the sum of its proper divisors (278883102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226803618 is a wasteful number, since it uses less digits than its factorization.

226803618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13999 (or 13993 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 226803618 is about 15060.0005976095. Note that the first 3 decimals coincide. The cubic root of 226803618 is about 609.8410568600.

The spelling of 226803618 in words is "two hundred twenty-six million, eight hundred three thousand, six hundred eighteen".