222513424 has 40 divisors (see below), whose sum is σ = 496287680. Its totient is φ = 94670208.

The previous prime is 222513413. The next prime is 222513479. The reversal of 222513424 is 424315222.

222513424 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8422 + ... + 22714.

It is an arithmetic number, because the mean of its divisors is an integer number (12407192).

Almost surely, 2^222513424 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 222513424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248143840).

222513424 is an abundant number, since it is smaller than the sum of its proper divisors (273774256).

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

222513424 is a wasteful number, since it uses less digits than its factorization.

222513424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14447 (or 14441 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 222513424 is about 14916.8838568918. The cubic root of 222513424 is about 605.9713231682.

Adding to 222513424 its reverse (424315222), we get a palindrome (646828646).

The spelling of 222513424 in words is "two hundred twenty-two million, five hundred thirteen thousand, four hundred twenty-four".