221034130 has 16 divisors (see below), whose sum is σ = 398108160. Its totient is φ = 88358832.

The previous prime is 221034113. The next prime is 221034133. The reversal of 221034130 is 31430122.

It is a happy number.

221034130 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221034133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12751 + ... + 24589.

It is an arithmetic number, because the mean of its divisors is an integer number (24881760).

Almost surely, 2^221034130 is an apocalyptic number.

221034130 is a deficient number, since it is larger than the sum of its proper divisors (177074030).

221034130 is a wasteful number, since it uses less digits than its factorization.

221034130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13713.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221034130 is about 14867.2166191255. The cubic root of 221034130 is about 604.6254813861.

Adding to 221034130 its reverse (31430122), we get a palindrome (252464252).

The spelling of 221034130 in words is "two hundred twenty-one million, thirty-four thousand, one hundred thirty".