22323224 has 96 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 8366400.

The previous prime is 22323199. The next prime is 22323239. The reversal of 22323224 is 42232322.

It is a super-3 number, since 3×22323224³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323196 and 22323205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133589 + ... + 133755.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^22323224 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 22323224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27578880).

22323224 is an abundant number, since it is smaller than the sum of its proper divisors (32834536).

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

22323224 is a wasteful number, since it uses less digits than its factorization.

22323224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 218 counting only the distinct ones).

The product of its digits is 1152, while the sum is 20.

The square root of 22323224 is about 4724.7459190945. The cubic root of 22323224 is about 281.5695190730.

Adding to 22323224 its reverse (42232322), we get a palindrome (64555546).

The spelling of 22323224 in words is "twenty-two million, three hundred twenty-three thousand, two hundred twenty-four".