2201317830 has 64 divisors (see below), whose sum is σ = 5957844480. Its totient is φ = 578251872.

The previous prime is 2201317813. The next prime is 2201317889. The reversal of 2201317830 is 387131022.

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

It is a junction number, because it is equal to n+sod(n) for n = 2201317794 and 2201317803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42754 + ... + 78933.

It is an arithmetic number, because the mean of its divisors is an integer number (93091320).

Almost surely, 2^2201317830 is an apocalyptic number.

2201317830 is an abundant number, since it is smaller than the sum of its proper divisors (3756526650).

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

2201317830 is a wasteful number, since it uses less digits than its factorization.

2201317830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121770 (or 121764 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2201317830 is about 46918.2036101128. The cubic root of 2201317830 is about 1300.8510856866.

Adding to 2201317830 its reverse (387131022), we get a palindrome (2588448852).

The spelling of 2201317830 in words is "two billion, two hundred one million, three hundred seventeen thousand, eight hundred thirty".