321228088 has 16 divisors (see below), whose sum is σ = 605160360. Its totient is φ = 159852000.

The previous prime is 321228077. The next prime is 321228091. The reversal of 321228088 is 880822123.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93463 + ... + 96838.

Almost surely, 2^321228088 is an apocalyptic number.

It is an amenable number.

321228088 is a deficient number, since it is larger than the sum of its proper divisors (283932272).

321228088 is a wasteful number, since it uses less digits than its factorization.

321228088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190518 (or 190514 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 321228088 is about 17922.8370522080. The cubic root of 321228088 is about 684.8642620914.

The spelling of 321228088 in words is "three hundred twenty-one million, two hundred twenty-eight thousand, eighty-eight".