221001014 has 16 divisors (see below), whose sum is σ = 357935760. Its totient is φ = 101733600.

The previous prime is 221000981. The next prime is 221001031. The reversal of 221001014 is 410100122.

221001014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221000986 and 221001004.

It is a congruent number.

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, 812 + ... + 21039.

It is an arithmetic number, because the mean of its divisors is an integer number (22370985).

Almost surely, 2^221001014 is an apocalyptic number.

221001014 is a deficient number, since it is larger than the sum of its proper divisors (136934746).

221001014 is a wasteful number, since it uses less digits than its factorization.

221001014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22255.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 221001014 is about 14866.1028517900. The cubic root of 221001014 is about 604.5952842736.

Adding to 221001014 its reverse (410100122), we get a palindrome (631101136).

The spelling of 221001014 in words is "two hundred twenty-one million, one thousand, fourteen".