2205122530 has 32 divisors (see below), whose sum is σ = 4525993584. Its totient is φ = 766304256.

The previous prime is 2205122509. The next prime is 2205122531. The reversal of 2205122530 is 352215022.

It can be written as a sum of positive squares in 8 ways, for example, as 1244184529 + 960938001 = 35273^2 + 30999^2 .

It is not an unprimeable number, because it can be changed into a prime (2205122531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496687 + ... + 501106.

Almost surely, 2^2205122530 is an apocalyptic number.

2205122530 is an abundant number, since it is smaller than the sum of its proper divisors (2320871054).

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

2205122530 is a wasteful number, since it uses less digits than its factorization.

2205122530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997830.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2205122530 is about 46958.7322017961. The cubic root of 2205122530 is about 1301.6001066218.

Adding to 2205122530 its reverse (352215022), we get a palindrome (2557337552).

The spelling of 2205122530 in words is "two billion, two hundred five million, one hundred twenty-two thousand, five hundred thirty".