2205089090 has 16 divisors (see below), whose sum is σ = 3986497080. Its totient is φ = 878183040.

The previous prime is 2205089011. The next prime is 2205089129. The reversal of 2205089090 is 909805022.

It can be written as a sum of positive squares in 4 ways, for example, as 1882778881 + 322310209 = 43391^2 + 17953^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2205089090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479171 + ... + 483750.

Almost surely, 2^2205089090 is an apocalyptic number.

2205089090 is a deficient number, since it is larger than the sum of its proper divisors (1781407990).

2205089090 is a wasteful number, since it uses less digits than its factorization.

2205089090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963157.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2205089090 is about 46958.3761431334. The cubic root of 2205089090 is about 1301.5935271344.

The spelling of 2205089090 in words is "two billion, two hundred five million, eighty-nine thousand, ninety".