221424014 has 32 divisors (see below), whose sum is σ = 402770880. Its totient is φ = 89123328.

The previous prime is 221424001. The next prime is 221424029. The reversal of 221424014 is 410424122.

221424014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 179552 + ... + 180780.

It is an arithmetic number, because the mean of its divisors is an integer number (12586590).

Almost surely, 2^221424014 is an apocalyptic number.

221424014 is a deficient number, since it is larger than the sum of its proper divisors (181346866).

221424014 is a wasteful number, since it uses less digits than its factorization.

221424014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 221424014 is about 14880.3230475686. The cubic root of 221424014 is about 604.9807739263.

Adding to 221424014 its reverse (410424122), we get a palindrome (631848136).

The spelling of 221424014 in words is "two hundred twenty-one million, four hundred twenty-four thousand, fourteen".