222016066 has 16 divisors (see below), whose sum is σ = 343848960. Its totient is φ = 107442720.

The previous prime is 222016051. The next prime is 222016103. The reversal of 222016066 is 660610222.

222016066 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222016066² = 98582267124232712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222016066.

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, 246 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (21490560).

Almost surely, 2^222016066 is an apocalyptic number.

222016066 is a deficient number, since it is larger than the sum of its proper divisors (121832894).

222016066 is a wasteful number, since it uses less digits than its factorization.

222016066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 222016066 is about 14900.2035556565. The cubic root of 222016066 is about 605.5195009679.

Adding to 222016066 its reverse (660610222), we get a palindrome (882626288).

The spelling of 222016066 in words is "two hundred twenty-two million, sixteen thousand, sixty-six".