2205157206 has 64 divisors (see below), whose sum is σ = 5107898880. Its totient is φ = 621661440.

The previous prime is 2205157181. The next prime is 2205157217. The reversal of 2205157206 is 6027515022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1028896 + ... + 1031036.

It is an arithmetic number, because the mean of its divisors is an integer number (79810920).

Almost surely, 2^2205157206 is an apocalyptic number.

2205157206 is an abundant number, since it is smaller than the sum of its proper divisors (2902741674).

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

2205157206 is a wasteful number, since it uses less digits than its factorization.

2205157206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2205157206 is about 46959.1014181490. The cubic root of 2205157206 is about 1301.6069292281.

The spelling of 2205157206 in words is "two billion, two hundred five million, one hundred fifty-seven thousand, two hundred six".