213226800 has 120 divisors (see below), whose sum is σ = 688552656. Its totient is φ = 56401920.

The previous prime is 213226799. The next prime is 213226831. The reversal of 213226800 is 8622312.

213226800 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 (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 163752 + ... + 165048.

Almost surely, 2^213226800 is an apocalyptic number.

213226800 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 213226800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344276328).

213226800 is an abundant number, since it is smaller than the sum of its proper divisors (475325856).

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

213226800 is a wasteful number, since it uses less digits than its factorization.

213226800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 213226800 is about 14602.2874920336. The cubic root of 213226800 is about 597.4211540247.

The spelling of 213226800 in words is "two hundred thirteen million, two hundred twenty-six thousand, eight hundred".