221414130 has 96 divisors (see below), whose sum is σ = 680659200. Its totient is φ = 48859776.

The previous prime is 221414129. The next prime is 221414143. The reversal of 221414130 is 31414122.

221414130 is a `hidden beast` number, since 221 + 414 + 1 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 12211 + ... + 24329.

It is an arithmetic number, because the mean of its divisors is an integer number (7090200).

Almost surely, 2^221414130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221414130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340329600).

221414130 is an abundant number, since it is smaller than the sum of its proper divisors (459245070).

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

221414130 is a wasteful number, since it uses less digits than its factorization.

221414130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168 (or 12165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 221414130 is about 14879.9909274166. The cubic root of 221414130 is about 604.9717720136.

Adding to 221414130 its reverse (31414122), we get a palindrome (252828252).

The spelling of 221414130 in words is "two hundred twenty-one million, four hundred fourteen thousand, one hundred thirty".