226543680 has 168 divisors, whose sum is σ = 850172544. Its totient is φ = 54912000.

The previous prime is 226543661. The next prime is 226543687. The reversal of 226543680 is 86345622.

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

It is not an unprimeable number, because it can be changed into a prime (226543687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28105 + ... + 35255.

Almost surely, 2^226543680 is an apocalyptic number.

226543680 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 226543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425086272).

226543680 is an abundant number, since it is smaller than the sum of its proper divisors (623628864).

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

226543680 is a wasteful number, since it uses less digits than its factorization.

226543680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7185 (or 7172 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 226543680 is about 15051.3680441347. The cubic root of 226543680 is about 609.6079896446.

The spelling of 226543680 in words is "two hundred twenty-six million, five hundred forty-three thousand, six hundred eighty".