222800072 has 32 divisors (see below), whose sum is σ = 457164000. Its totient is φ = 100953600.

The previous prime is 222800029. The next prime is 222800087. The reversal of 222800072 is 270008222.

It is a happy number.

222800072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25304 + ... + 32952.

It is an arithmetic number, because the mean of its divisors is an integer number (14286375).

Almost surely, 2^222800072 is an apocalyptic number.

222800072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222800072 is an abundant number, since it is smaller than the sum of its proper divisors (234363928).

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

222800072 is a wasteful number, since it uses less digits than its factorization.

222800072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997 (or 7993 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 222800072 is about 14926.4889374561. The cubic root of 222800072 is about 606.2314212325.

Adding to 222800072 its reverse (270008222), we get a palindrome (492808294).

The spelling of 222800072 in words is "two hundred twenty-two million, eight hundred thousand, seventy-two".