2200991085 has 12 divisors (see below), whose sum is σ = 3815051292. Its totient is φ = 1173861888.

The previous prime is 2200991083. The next prime is 2200991123. The reversal of 2200991085 is 5801990022.

It can be written as a sum of positive squares in 2 ways, for example, as 355171716 + 1845819369 = 18846^2 + 42963^2 .

It is not a de Polignac number, because 2200991085 - 2¹ = 2200991083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200991083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24455412 + ... + 24455501.

It is an arithmetic number, because the mean of its divisors is an integer number (317920941).

Almost surely, 2^2200991085 is an apocalyptic number.

It is an amenable number.

2200991085 is a deficient number, since it is larger than the sum of its proper divisors (1614060207).

2200991085 is a wasteful number, since it uses less digits than its factorization.

2200991085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48910924 (or 48910921 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 2200991085 is about 46914.7214102354. The cubic root of 2200991085 is about 1300.7867200576.

The spelling of 2200991085 in words is "two billion, two hundred million, nine hundred ninety-one thousand, eighty-five".