14428572231 has 32 divisors (see below), whose sum is σ = 20762956800. Its totient is φ = 8879316480.

The previous prime is 14428572227. The next prime is 14428572239. The reversal of 14428572231 is 13227582441.

It is a happy number.

It is not a de Polignac number, because 14428572231 - 2² = 14428572227 is a prime.

It is a super-2 number, since 2×14428572231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14428572231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14428572239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1110390 + ... + 1123308.

It is an arithmetic number, because the mean of its divisors is an integer number (648842400).

Almost surely, 2^14428572231 is an apocalyptic number.

14428572231 is a deficient number, since it is larger than the sum of its proper divisors (6334384569).

14428572231 is a wasteful number, since it uses less digits than its factorization.

14428572231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359.

The product of its digits is 107520, while the sum is 39.

The spelling of 14428572231 in words is "fourteen billion, four hundred twenty-eight million, five hundred seventy-two thousand, two hundred thirty-one".