2122269756 has 24 divisors (see below), whose sum is σ = 5025874560. Its totient is φ = 696864432.

The previous prime is 2122269739. The next prime is 2122269767. The reversal of 2122269756 is 6579622212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1319016 + ... + 1320623.

It is an arithmetic number, because the mean of its divisors is an integer number (209411440).

Almost surely, 2^2122269756 is an apocalyptic number.

It is an amenable number.

2122269756 is an abundant number, since it is smaller than the sum of its proper divisors (2903604804).

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

2122269756 is a wasteful number, since it uses less digits than its factorization.

2122269756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639713 (or 2639711 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 2122269756 is about 46068.0991142461. The cubic root of 2122269756 is about 1285.0899533793.

The spelling of 2122269756 in words is "two billion, one hundred twenty-two million, two hundred sixty-nine thousand, seven hundred fifty-six".