2200181138 has 4 divisors (see below), whose sum is σ = 3300271710. Its totient is φ = 1100090568.

The previous prime is 2200181111. The next prime is 2200181141. The reversal of 2200181138 is 8311810022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1583801209 + 616379929 = 39797^2 + 24827^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550045283 + ... + 550045286.

Almost surely, 2^2200181138 is an apocalyptic number.

2200181138 is a deficient number, since it is larger than the sum of its proper divisors (1100090572).

2200181138 is a wasteful number, since it uses less digits than its factorization.

2200181138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100090571.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 2200181138 is about 46906.0884960577. The cubic root of 2200181138 is about 1300.6271408011.

The spelling of 2200181138 in words is "two billion, two hundred million, one hundred eighty-one thousand, one hundred thirty-eight".