221330110 has 16 divisors (see below), whose sum is σ = 400782816. Its totient is φ = 88001248.

The previous prime is 221330071. The next prime is 221330119. The reversal of 221330110 is 11033122.

It is a super-2 number, since 2×221330110² = 97974035185224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221330119) 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, 64597 + ... + 67936.

It is an arithmetic number, because the mean of its divisors is an integer number (25048926).

Almost surely, 2^221330110 is an apocalyptic number.

221330110 is a deficient number, since it is larger than the sum of its proper divisors (179452706).

221330110 is a wasteful number, since it uses less digits than its factorization.

221330110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132707.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 221330110 is about 14877.1674051212. The cubic root of 221330110 is about 604.8952394708.

Adding to 221330110 its reverse (11033122), we get a palindrome (232363232).

It can be divided in two parts, 2213 and 30110, that added together give a palindrome (32323).

The spelling of 221330110 in words is "two hundred twenty-one million, three hundred thirty thousand, one hundred ten".