222666060 has 96 divisors (see below), whose sum is σ = 654171840. Its totient is φ = 56512512.

The previous prime is 222666053. The next prime is 222666097. The reversal of 222666060 is 60666222.

222666060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126144 + ... + 127896.

It is an arithmetic number, because the mean of its divisors is an integer number (6814290).

Almost surely, 2^222666060 is an apocalyptic number.

222666060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222666060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327085920).

222666060 is an abundant number, since it is smaller than the sum of its proper divisors (431505780).

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

222666060 is a wasteful number, since it uses less digits than its factorization.

222666060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 222666060 is about 14921.9991958182. Note that the first 3 decimals coincide. The cubic root of 222666060 is about 606.1098494892.

It can be divided in two parts, 2226 and 66060, that added together give a palindrome (68286).

The spelling of 222666060 in words is "two hundred twenty-two million, six hundred sixty-six thousand, sixty".