226687680 has 112 divisors (see below), whose sum is σ = 799734240. Its totient is φ = 60447744.

The previous prime is 226687663. The next prime is 226687687. The reversal of 226687680 is 86786622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (226687687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4479 + ... + 21758.

Almost surely, 2^226687680 is an apocalyptic number.

226687680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226687680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399867120).

226687680 is an abundant number, since it is smaller than the sum of its proper divisors (573046560).

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

226687680 is a wasteful number, since it uses less digits than its factorization.

226687680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26263 (or 26247 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 226687680 is about 15056.1509025381. The cubic root of 226687680 is about 609.7371258264.

The spelling of 226687680 in words is "two hundred twenty-six million, six hundred eighty-seven thousand, six hundred eighty".