1232224000 has 144 divisors (see below), whose sum is σ = 3508779456. Its totient is φ = 422400000.

The previous prime is 1232223997. The next prime is 1232224031. The reversal of 1232224000 is 4222321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221250 + ... + 226750.

It is an arithmetic number, because the mean of its divisors is an integer number (24366524).

Almost surely, 2^1232224000 is an apocalyptic number.

1232224000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1754389728).

1232224000 is an abundant number, since it is smaller than the sum of its proper divisors (2276555456).

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

1232224000 is an frugal number, since it uses more digits than its factorization.

1232224000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539 (or 5515 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1232224000 is about 35103.0483006818. The cubic root of 1232224000 is about 1072.0866492669.

Adding to 1232224000 its reverse (4222321), we get a palindrome (1236446321).

The spelling of 1232224000 in words is "one billion, two hundred thirty-two million, two hundred twenty-four thousand".