2221231202328 has 32 divisors (see below), whose sum is σ = 5553115058160. Its totient is φ = 740405460480.

The previous prime is 2221231202273. The next prime is 2221231202329. The reversal of 2221231202328 is 8232021321222.

It is a junction number, because it is equal to n+sod(n) for n = 2221231202295 and 2221231202304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221231202329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5962668 + ... + 6324228.

Almost surely, 2^{2221231202328} is an apocalyptic number.

It is an amenable number.

2221231202328 is an abundant number, since it is smaller than the sum of its proper divisors (3331883855832).

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

2221231202328 is a wasteful number, since it uses less digits than its factorization.

2221231202328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617547 (or 617543 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 2221231202328 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-one million, two hundred two thousand, three hundred twenty-eight".