2201206550 has 48 divisors (see below), whose sum is σ = 4198392000. Its totient is φ = 858174240.

The previous prime is 2201206549. The next prime is 2201206561. The reversal of 2201206550 is 556021022.

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1467701 + ... + 1469199.

It is an arithmetic number, because the mean of its divisors is an integer number (87466500).

Almost surely, 2^2201206550 is an apocalyptic number.

2201206550 is a deficient number, since it is larger than the sum of its proper divisors (1997185450).

2201206550 is a wasteful number, since it uses less digits than its factorization.

2201206550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2201206550 is about 46917.0177014695. The cubic root of 2201206550 is about 1300.8291653099.

Adding to 2201206550 its reverse (556021022), we get a palindrome (2757227572).

The spelling of 2201206550 in words is "two billion, two hundred one million, two hundred six thousand, five hundred fifty".