2209160900 has 36 divisors (see below), whose sum is σ = 4797609600. Its totient is φ = 882976800.

The previous prime is 2209160827. The next prime is 2209160909. The reversal of 2209160900 is 90619022.

It is not an unprimeable number, because it can be changed into a prime (2209160909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132005 + ... + 147795.

Almost surely, 2^2209160900 is an apocalyptic number.

2209160900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2209160900 is an abundant number, since it is smaller than the sum of its proper divisors (2588448700).

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

2209160900 is a wasteful number, since it uses less digits than its factorization.

2209160900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17204 (or 17197 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2209160900 is about 47001.7116709594. The cubic root of 2209160900 is about 1302.3941875647.

Adding to 2209160900 its reverse (90619022), we get a palindrome (2299779922).

The spelling of 2209160900 in words is "two billion, two hundred nine million, one hundred sixty thousand, nine hundred".