12224352 has 48 divisors (see below), whose sum is σ = 36675072. Its totient is φ = 3492480.

The previous prime is 12224347. The next prime is 12224357. The reversal of 12224352 is 25342221.

It is an interprime number because it is at equal distance from previous prime (12224347) and next prime (12224357).

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 (21).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8424 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (764064).

Almost surely, 2^12224352 is an apocalyptic number.

12224352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12224352 is an abundant number, since it is smaller than the sum of its proper divisors (24450720).

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

12224352 is a wasteful number, since it uses less digits than its factorization.

12224352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18211 (or 18203 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 12224352 is about 3496.3340801474. The cubic root of 12224352 is about 230.3608199195.

Adding to 12224352 its reverse (25342221), we get a palindrome (37566573).

The spelling of 12224352 in words is "twelve million, two hundred twenty-four thousand, three hundred fifty-two".