1228328332 has 48 divisors (see below), whose sum is σ = 2683554048. Its totient is φ = 477933120.

The previous prime is 1228328327. The next prime is 1228328341. The reversal of 1228328332 is 2338238221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277158 + ... + 281554.

It is an arithmetic number, because the mean of its divisors is an integer number (55907376).

Almost surely, 2^1228328332 is an apocalyptic number.

It is an amenable number.

1228328332 is an abundant number, since it is smaller than the sum of its proper divisors (1455225716).

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

1228328332 is a wasteful number, since it uses less digits than its factorization.

1228328332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5324 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 1228328332 is about 35047.5153470257. The cubic root of 1228328332 is about 1070.9556582786.

The spelling of 1228328332 in words is "one billion, two hundred twenty-eight million, three hundred twenty-eight thousand, three hundred thirty-two".