2122144005 has 16 divisors (see below), whose sum is σ = 3399709824. Its totient is φ = 1130383680.

The previous prime is 2122144001. The next prime is 2122144021. The reversal of 2122144005 is 5004412212.

It is not a de Polignac number, because 2122144005 - 2² = 2122144001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122144001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76801 + ... + 100710.

It is an arithmetic number, because the mean of its divisors is an integer number (212481864).

Almost surely, 2^2122144005 is an apocalyptic number.

It is an amenable number.

2122144005 is a deficient number, since it is larger than the sum of its proper divisors (1277565819).

2122144005 is a wasteful number, since it uses less digits than its factorization.

2122144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178316.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2122144005 is about 46066.7342558597. The cubic root of 2122144005 is about 1285.0645710360.

Adding to 2122144005 its reverse (5004412212), we get a palindrome (7126556217).

The spelling of 2122144005 in words is "two billion, one hundred twenty-two million, one hundred forty-four thousand, five".