222140320 has 48 divisors (see below), whose sum is σ = 526901760. Its totient is φ = 88501504.

The previous prime is 222140311. The next prime is 222140323. The reversal of 222140320 is 23041222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222140294 and 222140303.

It is not an unprimeable number, because it can be changed into a prime (222140323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39441 + ... + 44719.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^222140320 is an apocalyptic number.

222140320 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 222140320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263450880).

222140320 is an abundant number, since it is smaller than the sum of its proper divisors (304761440).

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

222140320 is a wasteful number, since it uses less digits than its factorization.

222140320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222140320 is about 14904.3725127897. The cubic root of 222140320 is about 605.6324420263.

Adding to 222140320 its reverse (23041222), we get a palindrome (245181542).

The spelling of 222140320 in words is "two hundred twenty-two million, one hundred forty thousand, three hundred twenty".