14279220 has 96 divisors (see below), whose sum is σ = 45911040. Its totient is φ = 3680640.

The previous prime is 14279191. The next prime is 14279227. The reversal of 14279220 is 2297241.

14279220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14279220² = 407792247616800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14279227) 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, 16314 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (478240).

Almost surely, 2^14279220 is an apocalyptic number.

14279220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14279220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22955520).

14279220 is an abundant number, since it is smaller than the sum of its proper divisors (31631820).

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

14279220 is a wasteful number, since it uses less digits than its factorization.

14279220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 14279220 is about 3778.7855191847. The cubic root of 14279220 is about 242.6059762824.

The spelling of 14279220 in words is "fourteen million, two hundred seventy-nine thousand, two hundred twenty".