1224352272 has 120 divisors (see below), whose sum is σ = 3736555488. Its totient is φ = 342451200.

The previous prime is 1224352271. The next prime is 1224352301. The reversal of 1224352272 is 2722534221.

It is not an unprimeable number, because it can be changed into a prime (1224352271) 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 23 ways as a sum of consecutive naturals, for example, 82372 + ... + 96092.

Almost surely, 2^1224352272 is an apocalyptic number.

1224352272 is a gapful number since it is divisible by the number (12) 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 1224352272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868277744).

1224352272 is an abundant number, since it is smaller than the sum of its proper divisors (2512203216).

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

1224352272 is a wasteful number, since it uses less digits than its factorization.

1224352272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13769 (or 13750 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 1224352272 is about 34990.7455193513. The cubic root of 1224352272 is about 1069.7988593296.

Adding to 1224352272 its reverse (2722534221), we get a palindrome (3946886493).

The spelling of 1224352272 in words is "one billion, two hundred twenty-four million, three hundred fifty-two thousand, two hundred seventy-two".