14187228 has 48 divisors (see below), whose sum is σ = 37691136. Its totient is φ = 4111360.

The previous prime is 14187191. The next prime is 14187233. The reversal of 14187228 is 82278141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (785232).

Almost surely, 2^14187228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14187228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18845568).

14187228 is an abundant number, since it is smaller than the sum of its proper divisors (23503908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14187228 is a wasteful number, since it uses less digits than its factorization.

14187228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714 (or 4712 counting only the distinct ones).

The product of its digits is 7168, while the sum is 33.

The square root of 14187228 is about 3766.5936866086. The cubic root of 14187228 is about 242.0838677508.

It can be divided in two parts, 1418 and 7228, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 14187228 in words is "fourteen million, one hundred eighty-seven thousand, two hundred twenty-eight".