221300014 has 16 divisors (see below), whose sum is σ = 362013120. Its totient is φ = 100844640.

The previous prime is 221299993. The next prime is 221300021. The reversal of 221300014 is 410003122.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 221299967 and 221300003.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 51817 + ... + 55924.

It is an arithmetic number, because the mean of its divisors is an integer number (22625820).

Almost surely, 2^221300014 is an apocalyptic number.

221300014 is a deficient number, since it is larger than the sum of its proper divisors (140713106).

221300014 is a wasteful number, since it uses less digits than its factorization.

221300014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107835.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 221300014 is about 14876.1558878630. The cubic root of 221300014 is about 604.8678207698.

Adding to 221300014 its reverse (410003122), we get a palindrome (631303136).

The spelling of 221300014 in words is "two hundred twenty-one million, three hundred thousand, fourteen".