2205172832 has 36 divisors (see below), whose sum is σ = 4581980676. Its totient is φ = 1044550080.

The previous prime is 2205172807. The next prime is 2205172841. The reversal of 2205172832 is 2382715022.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83894 + ... + 106997.

It is an arithmetic number, because the mean of its divisors is an integer number (127277241).

Almost surely, 2^2205172832 is an apocalyptic number.

It is an amenable number.

2205172832 is an abundant number, since it is smaller than the sum of its proper divisors (2376807844).

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

2205172832 is a wasteful number, since it uses less digits than its factorization.

2205172832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190939 (or 190912 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2205172832 is about 46959.2677966767. The cubic root of 2205172832 is about 1301.6100036668.

Adding to 2205172832 its reverse (2382715022), we get a palindrome (4587887854).

The spelling of 2205172832 in words is "two billion, two hundred five million, one hundred seventy-two thousand, eight hundred thirty-two".