226689534318 has 64 divisors (see below), whose sum is σ = 514588435200. Its totient is φ = 65997711360.

The previous prime is 226689534311. The next prime is 226689534329. The reversal of 226689534318 is 813435986622.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226689534311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107598 + ... + 1296206.

It is an arithmetic number, because the mean of its divisors is an integer number (8040444300).

Almost surely, 2^226689534318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226689534318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257294217600).

226689534318 is an abundant number, since it is smaller than the sum of its proper divisors (287898900882).

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

226689534318 is a wasteful number, since it uses less digits than its factorization.

226689534318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189457.

The product of its digits is 14929920, while the sum is 57.

The spelling of 226689534318 in words is "two hundred twenty-six billion, six hundred eighty-nine million, five hundred thirty-four thousand, three hundred eighteen".