222211208 has 16 divisors (see below), whose sum is σ = 418484880. Its totient is φ = 110615248.

The previous prime is 222211201. The next prime is 222211247. The reversal of 222211208 is 802112222.

It is a happy number.

222211208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222211208.

It is not an unprimeable number, because it can be changed into a prime (222211201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59366 + ... + 62997.

It is an arithmetic number, because the mean of its divisors is an integer number (26155305).

Almost surely, 2^222211208 is an apocalyptic number.

It is an amenable number.

222211208 is a deficient number, since it is larger than the sum of its proper divisors (196273672).

222211208 is a wasteful number, since it uses less digits than its factorization.

222211208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122596 (or 122592 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 222211208 is about 14906.7504171768. The cubic root of 222211208 is about 605.6968570270.

The spelling of 222211208 in words is "two hundred twenty-two million, two hundred eleven thousand, two hundred eight".