14224285821 has 8 divisors (see below), whose sum is σ = 19047113280. Its totient is φ = 9442157792.

The previous prime is 14224285787. The next prime is 14224285843. The reversal of 14224285821 is 12858242241.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14224285821 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14224285821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14224285871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10174041 + ... + 10175438.

It is an arithmetic number, because the mean of its divisors is an integer number (2380889160).

Almost surely, 2^14224285821 is an apocalyptic number.

It is an amenable number.

14224285821 is a deficient number, since it is larger than the sum of its proper divisors (4822827459).

14224285821 is a wasteful number, since it uses less digits than its factorization.

14224285821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20349715.

The product of its digits is 81920, while the sum is 39.

The spelling of 14224285821 in words is "fourteen billion, two hundred twenty-four million, two hundred eighty-five thousand, eight hundred twenty-one".