2221433231216 has 40 divisors (see below), whose sum is σ = 4453287091920. Its totient is φ = 1072212399104.

The previous prime is 2221433231209. The next prime is 2221433231231. The reversal of 2221433231216 is 6121323341222.

2221433231216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005895 + ... + 2909721.

It is an arithmetic number, because the mean of its divisors is an integer number (111332177298).

Almost surely, 2^{2221433231216} is an apocalyptic number.

It is an amenable number.

2221433231216 is an abundant number, since it is smaller than the sum of its proper divisors (2231853860704).

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

2221433231216 is a wasteful number, since it uses less digits than its factorization.

2221433231216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909161 (or 909155 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

Adding to 2221433231216 its reverse (6121323341222), we get a palindrome (8342756572438).

The spelling of 2221433231216 in words is "two trillion, two hundred twenty-one billion, four hundred thirty-three million, two hundred thirty-one thousand, two hundred sixteen".