222411224 has 64 divisors (see below), whose sum is σ = 492125760. Its totient is φ = 92252160.

The previous prime is 222411197. The next prime is 222411229. The reversal of 222411224 is 422114222.

222411224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222411224² = 98933505122356352, which contains 22 as substring.

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 = 222411196 and 222411205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222411229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360164 + ... + 360780.

It is an arithmetic number, because the mean of its divisors is an integer number (7689465).

Almost surely, 2^222411224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222411224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246062880).

222411224 is an abundant number, since it is smaller than the sum of its proper divisors (269714536).

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

222411224 is a wasteful number, since it uses less digits than its factorization.

222411224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 824 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 222411224 is about 14913.4578150072. The cubic root of 222411224 is about 605.8785351287.

Adding to 222411224 its reverse (422114222), we get a palindrome (644525446).

The spelling of 222411224 in words is "two hundred twenty-two million, four hundred eleven thousand, two hundred twenty-four".