2209317120 has 216 divisors, whose sum is σ = 7928234496. Its totient is φ = 589068288.

The previous prime is 2209317113. The next prime is 2209317133. The reversal of 2209317120 is 217139022.

2209317120 is a `hidden beast` number, since 220 + 9 + 317 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307489 + ... + 314591.

Almost surely, 2^2209317120 is an apocalyptic number.

2209317120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209317120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3964117248).

2209317120 is an abundant number, since it is smaller than the sum of its proper divisors (5718917376).

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

2209317120 is an frugal number, since it uses more digits than its factorization.

2209317120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139 (or 7113 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2209317120 is about 47003.3734959524. The cubic root of 2209317120 is about 1302.4248862830.

The spelling of 2209317120 in words is "two billion, two hundred nine million, three hundred seventeen thousand, one hundred twenty".