221412014 has 8 divisors (see below), whose sum is σ = 337747320. Its totient is φ = 108829576.

The previous prime is 221412011. The next prime is 221412047. The reversal of 221412014 is 410214122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221411983 and 221412001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938069 + ... + 938304.

It is an arithmetic number, because the mean of its divisors is an integer number (42218415).

Almost surely, 2^221412014 is an apocalyptic number.

221412014 is a deficient number, since it is larger than the sum of its proper divisors (116335306).

221412014 is a wasteful number, since it uses less digits than its factorization.

221412014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876434.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 221412014 is about 14879.9198250528. The cubic root of 221412014 is about 604.9698448190.

Adding to 221412014 its reverse (410214122), we get a palindrome (631626136).

The spelling of 221412014 in words is "two hundred twenty-one million, four hundred twelve thousand, fourteen".