214972216 has 8 divisors (see below), whose sum is σ = 403072920. Its totient is φ = 107486104.

The previous prime is 214972189. The next prime is 214972229. The reversal of 214972216 is 612279412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13435756 + ... + 13435771.

It is an arithmetic number, because the mean of its divisors is an integer number (50384115).

Almost surely, 2^214972216 is an apocalyptic number.

It is an amenable number.

214972216 is a deficient number, since it is larger than the sum of its proper divisors (188100704).

214972216 is a wasteful number, since it uses less digits than its factorization.

214972216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26871533 (or 26871529 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 214972216 is about 14661.9308414683. The cubic root of 214972216 is about 599.0468347433.

The spelling of 214972216 in words is "two hundred fourteen million, nine hundred seventy-two thousand, two hundred sixteen".