2205022050055 has 32 divisors (see below), whose sum is σ = 3059095880448. Its totient is φ = 1507975180800.

The previous prime is 2205022050053. The next prime is 2205022050059. The reversal of 2205022050055 is 5500502205022.

2205022050055 is a nontrivial binomial coefficient, being equal to C(2100011, 2).

It is not a de Polignac number, because 2205022050055 - 2¹ = 2205022050053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205022050053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1 + ... + 2100010.

It is an arithmetic number, because the mean of its divisors is an integer number (95596746264).

Almost surely, 2^{2205022050055} is an apocalyptic number.

2205022050055 is the 2100010-th triangular number.

2205022050055 is the 700004-th centered nonagonal number.

2205022050055 is a deficient number, since it is larger than the sum of its proper divisors (854073830393).

2205022050055 is a wasteful number, since it uses less digits than its factorization.

2205022050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101167.

The product of its (nonzero) digits is 10000, while the sum is 28.

Adding to 2205022050055 its reverse (5500502205022), we get a palindrome (7705524255077).

The spelling of 2205022050055 in words is "two trillion, two hundred five billion, twenty-two million, fifty thousand, fifty-five".