226488618 has 24 divisors (see below), whose sum is σ = 503989668. Its totient is φ = 73455552.

The previous prime is 226488583. The next prime is 226488631. The reversal of 226488618 is 816884622.

226488618 is a `hidden beast` number, since 2 + 26 + 4 + 8 + 8 + 618 = 666.

226488618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198894609 + 27594009 = 14103^2 + 5253^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169371 + ... + 170702.

Almost surely, 2^226488618 is an apocalyptic number.

226488618 is an abundant number, since it is smaller than the sum of its proper divisors (277501050).

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

226488618 is a wasteful number, since it uses less digits than its factorization.

226488618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340118 (or 340115 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 226488618 is about 15049.5387969200. The cubic root of 226488618 is about 609.5585967344.

The spelling of 226488618 in words is "two hundred twenty-six million, four hundred eighty-eight thousand, six hundred eighteen".