2221220255332 has 96 divisors (see below), whose sum is σ = 4562197920000. Its totient is φ = 936953547264.

The previous prime is 2221220255311. The next prime is 2221220255341. The reversal of 2221220255332 is 2335520221222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221220255294 and 2221220255303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35181769 + ... + 35244847.

It is an arithmetic number, because the mean of its divisors is an integer number (47522895000).

Almost surely, 2^{2221220255332} is an apocalyptic number.

It is an amenable number.

2221220255332 is an abundant number, since it is smaller than the sum of its proper divisors (2340977664668).

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

2221220255332 is a wasteful number, since it uses less digits than its factorization.

2221220255332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64373 (or 64371 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2221220255332 its reverse (2335520221222), we get a palindrome (4556740476554).

The spelling of 2221220255332 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred fifty-five thousand, three hundred thirty-two".