1218383324 has 12 divisors (see below), whose sum is σ = 2224874064. Its totient is φ = 582705024.

The previous prime is 1218383321. The next prime is 1218383357. The reversal of 1218383324 is 4233838121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218383321) 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, 6621557 + ... + 6621740.

It is an arithmetic number, because the mean of its divisors is an integer number (185406172).

Almost surely, 2^1218383324 is an apocalyptic number.

It is an amenable number.

1218383324 is a deficient number, since it is larger than the sum of its proper divisors (1006490740).

1218383324 is a wasteful number, since it uses less digits than its factorization.

1218383324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13243324 (or 13243322 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 1218383324 is about 34905.3480716064. The cubic root of 1218383324 is about 1068.0575361654.

The spelling of 1218383324 in words is "one billion, two hundred eighteen million, three hundred eighty-three thousand, three hundred twenty-four".