2201155 has 16 divisors (see below), whose sum is σ = 2976768. Its totient is φ = 1548000.

The previous prime is 2201149. The next prime is 2201161. The reversal of 2201155 is 5511022.

It is an interprime number because it is at equal distance from previous prime (2201149) and next prime (2201161).

It is not a de Polignac number, because 2201155 - 2⁹ = 2200643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060 + ... + 2350.

It is an arithmetic number, because the mean of its divisors is an integer number (186048).

2^2201155 is an apocalyptic number.

2201155 is a deficient number, since it is larger than the sum of its proper divisors (775613).

2201155 is a wasteful number, since it uses less digits than its factorization.

2201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2201155 is about 1483.6289967509. The cubic root of 2201155 is about 130.0819010536.

Adding to 2201155 its reverse (5511022), we get a palindrome (7712177).

The spelling of 2201155 in words is "two million, two hundred one thousand, one hundred fifty-five".