1324221828 has 24 divisors (see below), whose sum is σ = 3099794880. Its totient is φ = 439986720.

The previous prime is 1324221799. The next prime is 1324221839. The reversal of 1324221828 is 8281224231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173683 + ... + 181146.

It is an arithmetic number, because the mean of its divisors is an integer number (129158120).

Almost surely, 2^1324221828 is an apocalyptic number.

It is an amenable number.

1324221828 is an abundant number, since it is smaller than the sum of its proper divisors (1775573052).

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

1324221828 is a wasteful number, since it uses less digits than its factorization.

1324221828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355147 (or 355145 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 1324221828 is about 36389.8588620511. The cubic root of 1324221828 is about 1098.1295562801.

The spelling of 1324221828 in words is "one billion, three hundred twenty-four million, two hundred twenty-one thousand, eight hundred twenty-eight".