1224412331 has 8 divisors (see below), whose sum is σ = 1228135680. Its totient is φ = 1220695848.

The previous prime is 1224412271. The next prime is 1224412333. The reversal of 1224412331 is 1332144221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224412331 is a prime.

It is a super-2 number, since 2×1224412331² = 2998371112609707122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224412297 and 1224412306.

It is not an unprimeable number, because it can be changed into a prime (1224412333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845450 + ... + 846896.

It is an arithmetic number, because the mean of its divisors is an integer number (153516960).

Almost surely, 2^1224412331 is an apocalyptic number.

1224412331 is a deficient number, since it is larger than the sum of its proper divisors (3723349).

1224412331 is a wasteful number, since it uses less digits than its factorization.

1224412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433.

The product of its digits is 1152, while the sum is 23.

The square root of 1224412331 is about 34991.6037214644. The cubic root of 1224412331 is about 1069.8163515717.

Adding to 1224412331 its reverse (1332144221), we get a palindrome (2556556552).

The spelling of 1224412331 in words is "one billion, two hundred twenty-four million, four hundred twelve thousand, three hundred thirty-one".