14220745994 has 72 divisors (see below), whose sum is σ = 26985622860. Its totient is φ = 5603899392.

The previous prime is 14220745993. The next prime is 14220745999. The reversal of 14220745994 is 49954702241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2886375625 + 11334370369 = 53725^2 + 106463^2 .

It is not an unprimeable number, because it can be changed into a prime (14220745993) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55333514 + ... + 55333770.

Almost surely, 2^14220745994 is an apocalyptic number.

14220745994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14220745994 is a deficient number, since it is larger than the sum of its proper divisors (12764876866).

14220745994 is an frugal number, since it uses more digits than its factorization.

14220745994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 14220745994 in words is "fourteen billion, two hundred twenty million, seven hundred forty-five thousand, nine hundred ninety-four".