221116014 has 32 divisors (see below), whose sum is σ = 561565440. Its totient is φ = 63175896.

The previous prime is 221116009. The next prime is 221116031. The reversal of 221116014 is 410611122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292104 + ... + 292859.

It is an arithmetic number, because the mean of its divisors is an integer number (17548920).

Almost surely, 2^221116014 is an apocalyptic number.

221116014 is an abundant number, since it is smaller than the sum of its proper divisors (340449426).

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

221116014 is a wasteful number, since it uses less digits than its factorization.

221116014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584981 (or 584975 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 221116014 is about 14869.9702084436. The cubic root of 221116014 is about 604.7001350764.

Adding to 221116014 its reverse (410611122), we get a palindrome (631727136).

It can be divided in two parts, 2211 and 16014, that added together give a square (18225 = 135²).

The spelling of 221116014 in words is "two hundred twenty-one million, one hundred sixteen thousand, fourteen".