18714042225 has 96 divisors (see below), whose sum is σ = 35531872640. Its totient is φ = 9649393920.

The previous prime is 18714042223. The next prime is 18714042233. The reversal of 18714042225 is 52224041781.

It is not a de Polignac number, because 18714042225 - 2¹ = 18714042223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18714042225.

It is not an unprimeable number, because it can be changed into a prime (18714042223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4068627 + ... + 4073223.

Almost surely, 2^18714042225 is an apocalyptic number.

18714042225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18714042225 is a deficient number, since it is larger than the sum of its proper divisors (16817830415).

18714042225 is a wasteful number, since it uses less digits than its factorization.

18714042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 18714042225 in words is "eighteen billion, seven hundred fourteen million, forty-two thousand, two hundred twenty-five".