226821044400 has 60 divisors (see below), whose sum is σ = 726583416072. Its totient is φ = 60485611520.

The previous prime is 226821044393. The next prime is 226821044479. The reversal of 226821044400 is 4440128622.

226821044400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94507569 + ... + 94509968.

Almost surely, 2^226821044400 is an apocalyptic number.

226821044400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226821044400 is an abundant number, since it is smaller than the sum of its proper divisors (499762371672).

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

226821044400 is a wasteful number, since it uses less digits than its factorization.

226821044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189017558 (or 189017547 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 226821044400 in words is "two hundred twenty-six billion, eight hundred twenty-one million, forty-four thousand, four hundred".