2122162156 has 12 divisors (see below), whose sum is σ = 3932241768. Its totient is φ = 998664512.

The previous prime is 2122162111. The next prime is 2122162157. The reversal of 2122162156 is 6512612212.

It is not an unprimeable number, because it can be changed into a prime (2122162157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15604066 + ... + 15604201.

It is an arithmetic number, because the mean of its divisors is an integer number (327686814).

Almost surely, 2^2122162156 is an apocalyptic number.

It is an amenable number.

2122162156 is a deficient number, since it is larger than the sum of its proper divisors (1810079612).

2122162156 is a wasteful number, since it uses less digits than its factorization.

2122162156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31208288 (or 31208286 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 2122162156 is about 46066.9312631089. The cubic root of 2122162156 is about 1285.0682348056.

Adding to 2122162156 its reverse (6512612212), we get a palindrome (8634774368).

The spelling of 2122162156 in words is "two billion, one hundred twenty-two million, one hundred sixty-two thousand, one hundred fifty-six".