2122031555 has 16 divisors (see below), whose sum is σ = 2917147584. Its totient is φ = 1451640960.

The previous prime is 2122031551. The next prime is 2122031557. The reversal of 2122031555 is 5551302212.

It is not a de Polignac number, because 2122031555 - 2² = 2122031551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122031551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57272 + ... + 86741.

It is an arithmetic number, because the mean of its divisors is an integer number (182321724).

Almost surely, 2^2122031555 is an apocalyptic number.

2122031555 is a deficient number, since it is larger than the sum of its proper divisors (795116029).

2122031555 is a wasteful number, since it uses less digits than its factorization.

2122031555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144446.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2122031555 is about 46065.5137277335. The cubic root of 2122031555 is about 1285.0418725978.

Adding to 2122031555 its reverse (5551302212), we get a palindrome (7673333767).

The spelling of 2122031555 in words is "two billion, one hundred twenty-two million, thirty-one thousand, five hundred fifty-five".