226915584420 has 96 divisors (see below), whose sum is σ = 726796901376. Its totient is φ = 51818774400.

The previous prime is 226915584397. The next prime is 226915584457. The reversal of 226915584420 is 24485519622.

It is a self number, because there is not a number n which added to its sum of digits gives 226915584420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210615 + ... + 705825.

It is an arithmetic number, because the mean of its divisors is an integer number (7570801056).

Almost surely, 2^226915584420 is an apocalyptic number.

226915584420 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 226915584420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363398450688).

226915584420 is an abundant number, since it is smaller than the sum of its proper divisors (499881316956).

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

226915584420 is a wasteful number, since it uses less digits than its factorization.

226915584420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496321 (or 496319 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 226915584420 in words is "two hundred twenty-six billion, nine hundred fifteen million, five hundred eighty-four thousand, four hundred twenty".