221246014 has 32 divisors (see below), whose sum is σ = 379800576. Its totient is φ = 95749920.

The previous prime is 221245987. The next prime is 221246021. The reversal of 221246014 is 410642122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 35367 + ... + 41149.

It is an arithmetic number, because the mean of its divisors is an integer number (11868768).

Almost surely, 2^221246014 is an apocalyptic number.

221246014 is a deficient number, since it is larger than the sum of its proper divisors (158554562).

221246014 is a wasteful number, since it uses less digits than its factorization.

221246014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 221246014 is about 14874.3407921158. The cubic root of 221246014 is about 604.8186183036.

Adding to 221246014 its reverse (410642122), we get a palindrome (631888136).

The spelling of 221246014 in words is "two hundred twenty-one million, two hundred forty-six thousand, fourteen".