222323424 has 48 divisors (see below), whose sum is σ = 590178960. Its totient is φ = 73272320.

The previous prime is 222323407. The next prime is 222323429. The reversal of 222323424 is 424323222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 = 222323394 and 222323403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222323429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4467 + ... + 21554.

It is an arithmetic number, because the mean of its divisors is an integer number (12295395).

Almost surely, 2^222323424 is an apocalyptic number.

222323424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222323424 is an abundant number, since it is smaller than the sum of its proper divisors (367855536).

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

222323424 is a wasteful number, since it uses less digits than its factorization.

222323424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26123 (or 26115 counting only the distinct ones).

The product of its digits is 4608, while the sum is 24.

The square root of 222323424 is about 14910.5138744444. The cubic root of 222323424 is about 605.7987982402.

Adding to 222323424 its reverse (424323222), we get a palindrome (646646646).

The spelling of 222323424 in words is "two hundred twenty-two million, three hundred twenty-three thousand, four hundred twenty-four".