2155265522 has 8 divisors (see below), whose sum is σ = 3308082096. Its totient is φ = 1052571492.

The previous prime is 2155265521. The next prime is 2155265537. The reversal of 2155265522 is 2255625512.

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

It is not an unprimeable number, because it can be changed into a prime (2155265521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12530528 + ... + 12530699.

It is an arithmetic number, because the mean of its divisors is an integer number (413510262).

Almost surely, 2^2155265522 is an apocalyptic number.

2155265522 is a deficient number, since it is larger than the sum of its proper divisors (1152816574).

2155265522 is a wasteful number, since it uses less digits than its factorization.

2155265522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25061272.

The product of its digits is 60000, while the sum is 35.

The square root of 2155265522 is about 46424.8373395104. The cubic root of 2155265522 is about 1291.7156672376.

The spelling of 2155265522 in words is "two billion, one hundred fifty-five million, two hundred sixty-five thousand, five hundred twenty-two".