12222324 has 36 divisors (see below), whose sum is σ = 31004064. Its totient is φ = 4059792.

The previous prime is 12222319. The next prime is 12222349. The reversal of 12222324 is 42322221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12222297 and 12222306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16449 + ... + 17175.

It is an arithmetic number, because the mean of its divisors is an integer number (861224).

Almost surely, 2^12222324 is an apocalyptic number.

It is an amenable number.

12222324 is an abundant number, since it is smaller than the sum of its proper divisors (18781740).

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

12222324 is a wasteful number, since it uses less digits than its factorization.

12222324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1199 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 12222324 is about 3496.0440500657. The cubic root of 12222324 is about 230.3480803873.

Adding to 12222324 its reverse (42322221), we get a palindrome (54544545).

The spelling of 12222324 in words is "twelve million, two hundred twenty-two thousand, three hundred twenty-four".