221344004210 has 32 divisors (see below), whose sum is σ = 455400627840. Its totient is φ = 75878641152.

The previous prime is 221344004207. The next prime is 221344004237. The reversal of 221344004210 is 12400443122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283106 + ... + 723074.

It is an arithmetic number, because the mean of its divisors is an integer number (14231269620).

Almost surely, 2^221344004210 is an apocalyptic number.

221344004210 is an abundant number, since it is smaller than the sum of its proper divisors (234056623630).

221344004210 is a wasteful number, since it uses less digits than its factorization.

221344004210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447170.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 221344004210 its reverse (12400443122), we get a palindrome (233744447332).

The spelling of 221344004210 in words is "two hundred twenty-one billion, three hundred forty-four million, four thousand, two hundred ten".