222424 has 8 divisors (see below), whose sum is σ = 417060. Its totient is φ = 111208.

The previous prime is 222419. The next prime is 222437. The reversal of 222424 is 424222.

222424 is digitally balanced in base 2, 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 (8).

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

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 222398 and 222407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13894 + ... + 13909.

2²²²⁴²⁴ is an apocalyptic number.

It is an amenable number.

222424 is a deficient number, since it is larger than the sum of its proper divisors (194636).

222424 is a wasteful number, since it uses less digits than its factorization.

222424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809 (or 27805 counting only the distinct ones).

The product of its digits is 256, while the sum is 16.

The square root of 222424 is about 471.6184898835. The cubic root of 222424 is about 60.5890136096.

Adding to 222424 its reverse (424222), we get a palindrome (646646).

It can be divided in two parts, 222 and 424, that added together give a palindrome (646).

The spelling of 222424 in words is "two hundred twenty-two thousand, four hundred twenty-four", and thus it is an iban number.