14228661507 has 8 divisors (see below), whose sum is σ = 18972147984. Its totient is φ = 9485474688.

The previous prime is 14228661487. The next prime is 14228661509. The reversal of 14228661507 is 70516682241.

It is a happy number.

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

It is not a de Polignac number, because 14228661507 - 2²⁸ = 13960226051 is a prime.

It is a super-2 number, since 2×14228661507² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (14228661509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84103 + ... + 188495.

It is an arithmetic number, because the mean of its divisors is an integer number (2371518498).

Almost surely, 2^14228661507 is an apocalyptic number.

14228661507 is a deficient number, since it is larger than the sum of its proper divisors (4743486477).

14228661507 is a wasteful number, since it uses less digits than its factorization.

14228661507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149829.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 14228661507 in words is "fourteen billion, two hundred twenty-eight million, six hundred sixty-one thousand, five hundred seven".