222424224 has 96 divisors (see below), whose sum is σ = 639830016. Its totient is φ = 67096320.

The previous prime is 222424193. The next prime is 222424247. The reversal of 222424224 is 422424222.

222424224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222424194 and 222424203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366129 + ... + 366735.

It is an arithmetic number, because the mean of its divisors is an integer number (6664896).

Almost surely, 2^222424224 is an apocalyptic number.

222424224 is a gapful number since it is divisible by the number (24) 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 222424224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319915008).

222424224 is an abundant number, since it is smaller than the sum of its proper divisors (417405792).

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

222424224 is a wasteful number, since it uses less digits than its factorization.

222424224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 970 counting only the distinct ones).

The product of its digits is 4096, while the sum is 24.

The square root of 222424224 is about 14913.8936565875. The cubic root of 222424224 is about 605.8903394902.

Adding to 222424224 its reverse (422424222), we get a palindrome (644848446).

The spelling of 222424224 in words is "two hundred twenty-two million, four hundred twenty-four thousand, two hundred twenty-four".