12223488 has 88 divisors (see below), whose sum is σ = 34193088. Its totient is φ = 3874816.

The previous prime is 12223483. The next prime is 12223501. The reversal of 12223488 is 88432221.

It is a super-2 number, since 2×12223488² = 298827317772288, which contains 22 as substring.

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

It is a plaindrome in base 10.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12223483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70570 + ... + 70742.

Almost surely, 2^12223488 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 12223488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17096544).

12223488 is an abundant number, since it is smaller than the sum of its proper divisors (21969600).

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

12223488 is a wasteful number, since it uses less digits than its factorization.

12223488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 201 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 12223488 is about 3496.2105199773. The cubic root of 12223488 is about 230.3553925988.

The spelling of 12223488 in words is "twelve million, two hundred twenty-three thousand, four hundred eighty-eight".