2220100555 has 16 divisors (see below), whose sum is σ = 2697932160. Its totient is φ = 1753653888.

The previous prime is 2220100511. The next prime is 2220100559. The reversal of 2220100555 is 5550010222.

It is a cyclic number.

It is not a de Polignac number, because 2220100555 - 2²⁵ = 2186546123 is a prime.

It is a super-2 number, since 2×2220100555² = 9857692948622616050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220100559) 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 15 ways as a sum of consecutive naturals, for example, 152734 + ... + 166636.

It is an arithmetic number, because the mean of its divisors is an integer number (168620760).

Almost surely, 2^2220100555 is an apocalyptic number.

2220100555 is a deficient number, since it is larger than the sum of its proper divisors (477831605).

2220100555 is a wasteful number, since it uses less digits than its factorization.

2220100555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14310.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2220100555 is about 47117.9430259853. The cubic root of 2220100555 is about 1304.5404458318.

Adding to 2220100555 its reverse (5550010222), we get a palindrome (7770110777).

The spelling of 2220100555 in words is "two billion, two hundred twenty million, one hundred thousand, five hundred fifty-five".