214971220 has 24 divisors (see below), whose sum is σ = 459093600. Its totient is φ = 84530592.

The previous prime is 214971191. The next prime is 214971269. The reversal of 214971220 is 22179412.

214971220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89910 + ... + 92269.

It is an arithmetic number, because the mean of its divisors is an integer number (19128900).

Almost surely, 2^214971220 is an apocalyptic number.

214971220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214971220 is an abundant number, since it is smaller than the sum of its proper divisors (244122380).

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

214971220 is a wasteful number, since it uses less digits than its factorization.

214971220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182247 (or 182245 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 214971220 is about 14661.8968759162. The cubic root of 214971220 is about 599.0459095825.

The spelling of 214971220 in words is "two hundred fourteen million, nine hundred seventy-one thousand, two hundred twenty".