221300106 has 16 divisors (see below), whose sum is σ = 465895200. Its totient is φ = 69884208.

The previous prime is 221300063. The next prime is 221300137. The reversal of 221300106 is 601003122.

It is a super-2 number, since 2×221300106² = 97947473831222472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970501 + ... + 970728.

It is an arithmetic number, because the mean of its divisors is an integer number (29118450).

Almost surely, 2^221300106 is an apocalyptic number.

221300106 is an abundant number, since it is smaller than the sum of its proper divisors (244595094).

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

221300106 is a wasteful number, since it uses less digits than its factorization.

221300106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941253.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 221300106 is about 14876.1589800593. The cubic root of 221300106 is about 604.8679045894.

Adding to 221300106 its reverse (601003122), we get a palindrome (822303228).

The spelling of 221300106 in words is "two hundred twenty-one million, three hundred thousand, one hundred six".