1100002220 has 12 divisors (see below), whose sum is σ = 2310004704. Its totient is φ = 440000880.

The previous prime is 1100002177. The next prime is 1100002261. The reversal of 1100002220 is 222000011.

1100002220 is a modest number, since divided by 2220 gives 1100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1100002198 and 1100002207.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27500036 + ... + 27500075.

It is an arithmetic number, because the mean of its divisors is an integer number (192500392).

Almost surely, 2^1100002220 is an apocalyptic number.

1100002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100002220 is an abundant number, since it is smaller than the sum of its proper divisors (1210002484).

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

1100002220 is a wasteful number, since it uses less digits than its factorization.

1100002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000120 (or 55000118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1100002220 is about 33166.2813712964. The cubic root of 1100002220 is about 1032.2808098989.

Adding to 1100002220 its reverse (222000011), we get a palindrome (1322002231).

The spelling of 1100002220 in words is "one billion, one hundred million, two thousand, two hundred twenty".