2206240155 has 96 divisors (see below), whose sum is σ = 4625786880. Its totient is φ = 950906880.

The previous prime is 2206240151. The next prime is 2206240193. The reversal of 2206240155 is 5510426022.

2206240155 is a `hidden beast` number, since 2 + 20 + 624 + 0 + 15 + 5 = 666.

It is not a de Polignac number, because 2206240155 - 2² = 2206240151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2206240151) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 512251 + ... + 516539.

It is an arithmetic number, because the mean of its divisors is an integer number (48185280).

Almost surely, 2^2206240155 is an apocalyptic number.

2206240155 is an abundant number, since it is smaller than the sum of its proper divisors (2419546725).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2206240155 is a wasteful number, since it uses less digits than its factorization.

2206240155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2206240155 is about 46970.6307707274. The cubic root of 2206240155 is about 1301.8199666834.

Adding to 2206240155 its reverse (5510426022), we get a palindrome (7716666177).

The spelling of 2206240155 in words is "two billion, two hundred six million, two hundred forty thousand, one hundred fifty-five".