1325331224 has 24 divisors (see below), whose sum is σ = 2890710540. Its totient is φ = 567998928.

The previous prime is 1325331181. The next prime is 1325331229. The reversal of 1325331224 is 4221335231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1325331193 and 1325331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325331229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1690082 + ... + 1690865.

Almost surely, 2^1325331224 is an apocalyptic number.

1325331224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1325331224 is an abundant number, since it is smaller than the sum of its proper divisors (1565379316).

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

1325331224 is a wasteful number, since it uses less digits than its factorization.

1325331224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380967 (or 3380956 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1325331224 is about 36405.0988736468. The cubic root of 1325331224 is about 1098.4361314227.

Adding to 1325331224 its reverse (4221335231), we get a palindrome (5546666455).

The spelling of 1325331224 in words is "one billion, three hundred twenty-five million, three hundred thirty-one thousand, two hundred twenty-four".