221230200 has 48 divisors (see below), whose sum is σ = 685815480. Its totient is φ = 58994560.

The previous prime is 221230193. The next prime is 221230201. The reversal of 221230200 is 2032122.

221230200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221230201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183759 + ... + 184958.

Almost surely, 2^221230200 is an apocalyptic number.

221230200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221230200 is an abundant number, since it is smaller than the sum of its proper divisors (464585280).

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

221230200 is a wasteful number, since it uses less digits than its factorization.

221230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368736 (or 368727 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 221230200 is about 14873.8091960331. The cubic root of 221230200 is about 604.8042077547.

Adding to 221230200 its reverse (2032122), we get a palindrome (223262322).

The spelling of 221230200 in words is "two hundred twenty-one million, two hundred thirty thousand, two hundred".