1022213613772 has 48 divisors (see below), whose sum is σ = 2020341657600. Its totient is φ = 449010416448.

The previous prime is 1022213613761. The next prime is 1022213613781. The reversal of 1022213613772 is 2773163122201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909468 + ... + 2385475.

It is an arithmetic number, because the mean of its divisors is an integer number (42090451200).

Almost surely, 2^{1022213613772} is an apocalyptic number.

It is an amenable number.

1022213613772 is a deficient number, since it is larger than the sum of its proper divisors (998128043828).

1022213613772 is a wasteful number, since it uses less digits than its factorization.

1022213613772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295182 (or 4295180 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

Adding to 1022213613772 its reverse (2773163122201), we get a palindrome (3795376735973).

The spelling of 1022213613772 in words is "one trillion, twenty-two billion, two hundred thirteen million, six hundred thirteen thousand, seven hundred seventy-two".