1005500222200 has 48 divisors (see below), whose sum is σ = 2376112439160. Its totient is φ = 395606640000.

The previous prime is 1005500222191. The next prime is 1005500222299. The reversal of 1005500222200 is 22220055001.

It is a super-2 number, since 2×1005500222200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41196826 + ... + 41221225.

Almost surely, 2^{1005500222200} is an apocalyptic number.

1005500222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005500222200 is an abundant number, since it is smaller than the sum of its proper divisors (1370612216960).

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

1005500222200 is a wasteful number, since it uses less digits than its factorization.

1005500222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82418128 (or 82418119 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 1005500222200 its reverse (22220055001), we get a palindrome (1027720277201).

The spelling of 1005500222200 in words is "one trillion, five billion, five hundred million, two hundred twenty-two thousand, two hundred".