2201550155 has 24 divisors (see below), whose sum is σ = 3080462400. Its totient is φ = 1506059520.

The previous prime is 2201550149. The next prime is 2201550161. The reversal of 2201550155 is 5510551022.

It is an interprime number because it is at equal distance from previous prime (2201550149) and next prime (2201550161).

It is not a de Polignac number, because 2201550155 - 2²⁶ = 2134441291 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 95171 + ... + 116019.

It is an arithmetic number, because the mean of its divisors is an integer number (128352600).

Almost surely, 2^2201550155 is an apocalyptic number.

2201550155 is a deficient number, since it is larger than the sum of its proper divisors (878912245).

2201550155 is a wasteful number, since it uses less digits than its factorization.

2201550155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21299 (or 21292 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 2201550155 is about 46920.6793961895. The cubic root of 2201550155 is about 1300.8968476074.

The spelling of 2201550155 in words is "two billion, two hundred one million, five hundred fifty thousand, one hundred fifty-five".