2156132422 has 8 divisors (see below), whose sum is σ = 3236326776. Its totient is φ = 1077356832.

The previous prime is 2156132411. The next prime is 2156132431. The reversal of 2156132422 is 2242316512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350883 + ... + 356974.

It is an arithmetic number, because the mean of its divisors is an integer number (404540847).

Almost surely, 2^2156132422 is an apocalyptic number.

2156132422 is a deficient number, since it is larger than the sum of its proper divisors (1080194354).

2156132422 is a wasteful number, since it uses less digits than its factorization.

2156132422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709382.

The product of its digits is 5760, while the sum is 28.

The square root of 2156132422 is about 46434.1729979118. The cubic root of 2156132422 is about 1291.8888304664. Note that the first 4 decimals are identical.

Adding to 2156132422 its reverse (2242316512), we get a palindrome (4398448934).

The spelling of 2156132422 in words is "two billion, one hundred fifty-six million, one hundred thirty-two thousand, four hundred twenty-two".