222112260 has 96 divisors (see below), whose sum is σ = 694310400. Its totient is φ = 58947840.

The previous prime is 222112217. The next prime is 222112273. The reversal of 222112260 is 62211222.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 128200 + ... + 129920.

It is an arithmetic number, because the mean of its divisors is an integer number (7232400).

Almost surely, 2^222112260 is an apocalyptic number.

222112260 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 222112260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347155200).

222112260 is an abundant number, since it is smaller than the sum of its proper divisors (472198140).

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

222112260 is a wasteful number, since it uses less digits than its factorization.

222112260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 222112260 is about 14903.4311485644. The cubic root of 222112260 is about 605.6069404846.

Adding to 222112260 its reverse (62211222), we get a palindrome (284323482).

The spelling of 222112260 in words is "two hundred twenty-two million, one hundred twelve thousand, two hundred sixty".