2205089091 has 24 divisors (see below), whose sum is σ = 3381618240. Its totient is φ = 1379840256.

The previous prime is 2205089011. The next prime is 2205089129. The reversal of 2205089091 is 1909805022.

It is not a de Polignac number, because 2205089091 - 2²¹ = 2202991939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2205089011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37750 + ... + 76388.

It is an arithmetic number, because the mean of its divisors is an integer number (140900760).

Almost surely, 2^2205089091 is an apocalyptic number.

2205089091 is a deficient number, since it is larger than the sum of its proper divisors (1176529149).

2205089091 is a wasteful number, since it uses less digits than its factorization.

2205089091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39035 (or 39032 counting only the distinct ones).

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

The square root of 2205089091 is about 46958.3761537811. The cubic root of 2205089091 is about 1301.5935273312.

The spelling of 2205089091 in words is "two billion, two hundred five million, eighty-nine thousand, ninety-one".