21022242344322 has 16 divisors (see below), whose sum is σ = 42045141286080. Its totient is φ = 7007304681872.

The previous prime is 21022242344287. The next prime is 21022242344387. The reversal of 21022242344322 is 22344324222012.

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, 26941518 + ... + 27710825.

It is an arithmetic number, because the mean of its divisors is an integer number (2627821330380).

Almost surely, 2^{21022242344322} is an apocalyptic number.

21022242344322 is an abundant number, since it is smaller than the sum of its proper divisors (21022898941758).

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

21022242344322 is a wasteful number, since it uses less digits than its factorization.

21022242344322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54716457.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 21022242344322 its reverse (22344324222012), we get a palindrome (43366566566334).

The spelling of 21022242344322 in words is "twenty-one trillion, twenty-two billion, two hundred forty-two million, three hundred forty-four thousand, three hundred twenty-two".