14752221 has 16 divisors (see below), whose sum is σ = 21529920. Its totient is φ = 8910720.

The previous prime is 14752217. The next prime is 14752237. The reversal of 14752221 is 12225741.

It is not a de Polignac number, because 14752221 - 2² = 14752217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14752191 and 14752200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14752321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12951 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (1345620).

Almost surely, 2^14752221 is an apocalyptic number.

14752221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14752221 is a deficient number, since it is larger than the sum of its proper divisors (6777699).

14752221 is a wasteful number, since it uses less digits than its factorization.

14752221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its digits is 1120, while the sum is 24.

The square root of 14752221 is about 3840.8620126216. The cubic root of 14752221 is about 245.2557152377.

Adding to 14752221 its reverse (12225741), we get a palindrome (26977962).

The spelling of 14752221 in words is "fourteen million, seven hundred fifty-two thousand, two hundred twenty-one".