14744698221 has 32 divisors (see below), whose sum is σ = 21555870336. Its totient is φ = 8890880000.

The previous prime is 14744698187. The next prime is 14744698223. The reversal of 14744698221 is 12289644741.

It is a cyclic number.

It is not a de Polignac number, because 14744698221 - 2⁷ = 14744698093 is a prime.

It is a super-2 number, since 2×14744698221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14744698223) 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, 6099205 + ... + 6101621.

It is an arithmetic number, because the mean of its divisors is an integer number (673620948).

Almost surely, 2^14744698221 is an apocalyptic number.

14744698221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14744698221 is a deficient number, since it is larger than the sum of its proper divisors (6811172115).

14744698221 is a wasteful number, since it uses less digits than its factorization.

14744698221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293.

The product of its digits is 774144, while the sum is 48.

The spelling of 14744698221 in words is "fourteen billion, seven hundred forty-four million, six hundred ninety-eight thousand, two hundred twenty-one".