2122263255616 has 112 divisors (see below), whose sum is σ = 5010786845056. Its totient is φ = 872835969024.

The previous prime is 2122263255611. The next prime is 2122263255631. The reversal of 2122263255616 is 6165523622212.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×2122263255616² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122263255611) 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, 333115 + ... + 2086981.

Almost surely, 2^{2122263255616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122263255616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2505393422528).

2122263255616 is an abundant number, since it is smaller than the sum of its proper divisors (2888523589440).

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

2122263255616 is a wasteful number, since it uses less digits than its factorization.

2122263255616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753996 (or 1753986 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

Adding to 2122263255616 its reverse (6165523622212), we get a palindrome (8287786877828).

The spelling of 2122263255616 in words is "two trillion, one hundred twenty-two billion, two hundred sixty-three million, two hundred fifty-five thousand, six hundred sixteen".