2155003522 has 16 divisors (see below), whose sum is σ = 3888728640. Its totient is φ = 874963728.

The previous prime is 2155003519. The next prime is 2155003549. The reversal of 2155003522 is 2253005512.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050493 + ... + 4051024.

It is an arithmetic number, because the mean of its divisors is an integer number (243045540).

Almost surely, 2^2155003522 is an apocalyptic number.

2155003522 is a deficient number, since it is larger than the sum of its proper divisors (1733725118).

2155003522 is a wasteful number, since it uses less digits than its factorization.

2155003522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101545.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2155003522 is about 46422.0154883435. The cubic root of 2155003522 is about 1291.6633236144.

The spelling of 2155003522 in words is "two billion, one hundred fifty-five million, three thousand, five hundred twenty-two".