322121000228 has 6 divisors (see below), whose sum is σ = 563711750406. Its totient is φ = 161060500112.

The previous prime is 322121000221. The next prime is 322121000251. The reversal of 322121000228 is 822000121223.

It can be written as a sum of positive squares in only one way, i.e., 308566918144 + 13554082084 = 555488^2 + 116422^2 .

It is not an unprimeable number, because it can be changed into a prime (322121000221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265125025 + ... + 40265125032.

It is an arithmetic number, because the mean of its divisors is an integer number (93951958401).

Almost surely, 2^322121000228 is an apocalyptic number.

It is an amenable number.

322121000228 is a deficient number, since it is larger than the sum of its proper divisors (241590750178).

322121000228 is a wasteful number, since it uses less digits than its factorization.

322121000228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80530250061 (or 80530250059 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 322121000228 in words is "three hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-eight", and thus it is an aban number.