2205623536 has 80 divisors (see below), whose sum is σ = 4555958400. Its totient is φ = 1032550400.

The previous prime is 2205623527. The next prime is 2205623593. The reversal of 2205623536 is 6353265022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5117241 + ... + 5117671.

It is an arithmetic number, because the mean of its divisors is an integer number (56949480).

Almost surely, 2^2205623536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205623536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2277979200).

2205623536 is an abundant number, since it is smaller than the sum of its proper divisors (2350334864).

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

2205623536 is a wasteful number, since it uses less digits than its factorization.

2205623536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 2205623536 is about 46964.0664338172. The cubic root of 2205623536 is about 1301.6986740973.

Adding to 2205623536 its reverse (6353265022), we get a palindrome (8558888558).

The spelling of 2205623536 in words is "two billion, two hundred five million, six hundred twenty-three thousand, five hundred thirty-six".