2122456704 has 64 divisors (see below), whose sum is σ = 5649372000. Its totient is φ = 706030592.

The previous prime is 2122456697. The next prime is 2122456759. The reversal of 2122456704 is 4076542212.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190027 + ... + 200885.

Almost surely, 2^2122456704 is an apocalyptic number.

2122456704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122456704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824686000).

2122456704 is an abundant number, since it is smaller than the sum of its proper divisors (3526915296).

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

2122456704 is a wasteful number, since it uses less digits than its factorization.

2122456704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385 (or 11373 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2122456704 is about 46070.1281092206. The cubic root of 2122456704 is about 1285.1276862424.

Adding to 2122456704 its reverse (4076542212), we get a palindrome (6198998916).

The spelling of 2122456704 in words is "two billion, one hundred twenty-two million, four hundred fifty-six thousand, seven hundred four".