214022216 has 16 divisors (see below), whose sum is σ = 405801900. Its totient is φ = 105808384.

The previous prime is 214022209. The next prime is 214022273. The reversal of 214022216 is 612220412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205922500 + 8099716 = 14350^2 + 2846^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149585 + ... + 151008.

Almost surely, 2^214022216 is an apocalyptic number.

It is an amenable number.

214022216 is a deficient number, since it is larger than the sum of its proper divisors (191779684).

214022216 is a wasteful number, since it uses less digits than its factorization.

214022216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300688 (or 300684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 214022216 is about 14629.4981458695. The cubic root of 214022216 is about 598.1631005917.

Adding to 214022216 its reverse (612220412), we get a palindrome (826242628).

The spelling of 214022216 in words is "two hundred fourteen million, twenty-two thousand, two hundred sixteen".