222280460 has 48 divisors (see below), whose sum is σ = 483077280. Its totient is φ = 85847040.

The previous prime is 222280417. The next prime is 222280529. The reversal of 222280460 is 64082222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101780 + ... + 103940.

It is an arithmetic number, because the mean of its divisors is an integer number (10064110).

Almost surely, 2^222280460 is an apocalyptic number.

222280460 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 222280460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241538640).

222280460 is an abundant number, since it is smaller than the sum of its proper divisors (260796820).

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

222280460 is a wasteful number, since it uses less digits than its factorization.

222280460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 222280460 is about 14909.0730764860. The cubic root of 222280460 is about 605.7597721884.

The spelling of 222280460 in words is "two hundred twenty-two million, two hundred eighty thousand, four hundred sixty".