14156220 has 48 divisors (see below), whose sum is σ = 42688800. Its totient is φ = 3484416.

The previous prime is 14156213. The next prime is 14156221. The reversal of 14156220 is 2265141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14156221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8295 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (889350).

Almost surely, 2^14156220 is an apocalyptic number.

14156220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14156220 is an abundant number, since it is smaller than the sum of its proper divisors (28532580).

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

14156220 is a wasteful number, since it uses less digits than its factorization.

14156220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174 (or 18172 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 14156220 is about 3762.4752490880. The cubic root of 14156220 is about 241.9073706918.

The spelling of 14156220 in words is "fourteen million, one hundred fifty-six thousand, two hundred twenty".