2122784680422 has 32 divisors (see below), whose sum is σ = 4856222916864. Its totient is φ = 605991952800.

The previous prime is 2122784680397. The next prime is 2122784680427. The reversal of 2122784680422 is 2240864872212.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122784680427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21531729 + ... + 21630092.

It is an arithmetic number, because the mean of its divisors is an integer number (151756966152).

Almost surely, 2^{2122784680422} is an apocalyptic number.

2122784680422 is an abundant number, since it is smaller than the sum of its proper divisors (2733438236442).

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

2122784680422 is a wasteful number, since it uses less digits than its factorization.

2122784680422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43163004.

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 2122784680422 in words is "two trillion, one hundred twenty-two billion, seven hundred eighty-four million, six hundred eighty thousand, four hundred twenty-two".