2205667566 has 48 divisors (see below), whose sum is σ = 4852648944. Its totient is φ = 723969792.

The previous prime is 2205667561. The next prime is 2205667591. The reversal of 2205667566 is 6657665022.

2205667566 is a `hidden beast` number, since 2 + 20 + 5 + 6 + 67 + 566 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205667561) 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, 315885 + ... + 322791.

It is an arithmetic number, because the mean of its divisors is an integer number (101096853).

Almost surely, 2^2205667566 is an apocalyptic number.

2205667566 is an abundant number, since it is smaller than the sum of its proper divisors (2646981378).

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

2205667566 is a wasteful number, since it uses less digits than its factorization.

2205667566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7185 (or 7182 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 2205667566 is about 46964.5351941228. The cubic root of 2205667566 is about 1301.7073358068.

The spelling of 2205667566 in words is "two billion, two hundred five million, six hundred sixty-seven thousand, five hundred sixty-six".