222070216 has 8 divisors (see below), whose sum is σ = 416381670. Its totient is φ = 111035104.

The previous prime is 222070213. The next prime is 222070243. The reversal of 222070216 is 612070222.

It can be written as a sum of positive squares in only one way, i.e., 122988100 + 99082116 = 11090^2 + 9954^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222070213) by changing a digit.

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, 13879381 + ... + 13879396.

Almost surely, 2^222070216 is an apocalyptic number.

It is an amenable number.

222070216 is a deficient number, since it is larger than the sum of its proper divisors (194311454).

222070216 is a wasteful number, since it uses less digits than its factorization.

222070216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27758783 (or 27758779 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 222070216 is about 14902.0205341423. The cubic root of 222070216 is about 605.5687259574.

The spelling of 222070216 in words is "two hundred twenty-two million, seventy thousand, two hundred sixteen".