2122836947 has 30 divisors (see below), whose sum is σ = 2722471164. Its totient is φ = 1653932280.

The previous prime is 2122836929. The next prime is 2122836977. The reversal of 2122836947 is 7496382212.

It is a de Polignac number, because none of the positive numbers 2^k-2122836947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122836898 and 2122836907.

It is not an unprimeable number, because it can be changed into a prime (2122836977) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 286868 + ... + 294174.

Almost surely, 2^2122836947 is an apocalyptic number.

2122836947 is a deficient number, since it is larger than the sum of its proper divisors (599634217).

2122836947 is an frugal number, since it uses more digits than its factorization.

2122836947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357 (or 7325 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 2122836947 is about 46074.2547091106. The cubic root of 2122836947 is about 1285.2044261868.

The spelling of 2122836947 in words is "two billion, one hundred twenty-two million, eight hundred thirty-six thousand, nine hundred forty-seven".