14025221 has 24 divisors (see below), whose sum is σ = 17544600. Its totient is φ = 11139072.

The previous prime is 14025203. The next prime is 14025229. The reversal of 14025221 is 12252041.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 14025025 = 14^2 + 3745^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14025221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14025221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14025229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94055 + ... + 94203.

It is an arithmetic number, because the mean of its divisors is an integer number (731025).

Almost surely, 2^14025221 is an apocalyptic number.

It is an amenable number.

14025221 is a deficient number, since it is larger than the sum of its proper divisors (3519379).

14025221 is a wasteful number, since it uses less digits than its factorization.

14025221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 14025221 is about 3745.0261681329. The cubic root of 14025221 is about 241.1588686376.

Adding to 14025221 its reverse (12252041), we get a palindrome (26277262).

The spelling of 14025221 in words is "fourteen million, twenty-five thousand, two hundred twenty-one".