226680732 has 54 divisors (see below), whose sum is σ = 599044992. Its totient is φ = 72268944.

The previous prime is 226680673. The next prime is 226680739. The reversal of 226680732 is 237086622.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226680739) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13093 + ... + 24995.

Almost surely, 2^226680732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226680732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299522496).

226680732 is an abundant number, since it is smaller than the sum of its proper divisors (372364260).

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

226680732 is a wasteful number, since it uses less digits than its factorization.

226680732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959 (or 11931 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 226680732 is about 15055.9201645067. The cubic root of 226680732 is about 609.7308962615.

The spelling of 226680732 in words is "two hundred twenty-six million, six hundred eighty thousand, seven hundred thirty-two".