1320423224 has 16 divisors (see below), whose sum is σ = 2503612800. Its totient is φ = 652793152.

The previous prime is 1320423199. The next prime is 1320423227. The reversal of 1320423224 is 4223240231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320423224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320423227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926552 + ... + 927975.

It is an arithmetic number, because the mean of its divisors is an integer number (156475800).

Almost surely, 2^1320423224 is an apocalyptic number.

It is an amenable number.

1320423224 is a deficient number, since it is larger than the sum of its proper divisors (1183189576).

1320423224 is a wasteful number, since it uses less digits than its factorization.

1320423224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854622 (or 1854618 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1320423224 is about 36337.6282109881. The cubic root of 1320423224 is about 1097.0785354221.

Adding to 1320423224 its reverse (4223240231), we get a palindrome (5543663455).

The spelling of 1320423224 in words is "one billion, three hundred twenty million, four hundred twenty-three thousand, two hundred twenty-four".