222006672 has 120 divisors (see below), whose sum is σ = 686634624. Its totient is φ = 66604032.

The previous prime is 222006671. The next prime is 222006683. The reversal of 222006672 is 276600222.

222006672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222006671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54333 + ... + 58275.

Almost surely, 2^222006672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222006672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343317312).

222006672 is an abundant number, since it is smaller than the sum of its proper divisors (464627952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222006672 is a wasteful number, since it uses less digits than its factorization.

222006672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 222006672 is about 14899.8883217291. Note that the first 3 decimals coincide. The cubic root of 222006672 is about 605.5109605493.

Adding to 222006672 its reverse (276600222), we get a palindrome (498606894).

The spelling of 222006672 in words is "two hundred twenty-two million, six thousand, six hundred seventy-two".