1222530205 has 32 divisors (see below), whose sum is σ = 1701786240. Its totient is φ = 835349760.

The previous prime is 1222530187. The next prime is 1222530217. The reversal of 1222530205 is 5020352221.

It is a de Polignac number, because none of the positive numbers 2^k-1222530205 is a prime.

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, 41595 + ... + 64615.

It is an arithmetic number, because the mean of its divisors is an integer number (53180820).

Almost surely, 2^1222530205 is an apocalyptic number.

It is an amenable number.

1222530205 is a deficient number, since it is larger than the sum of its proper divisors (479256035).

1222530205 is a wasteful number, since it uses less digits than its factorization.

1222530205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23101.

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

The square root of 1222530205 is about 34964.6994124074. The cubic root of 1222530205 is about 1069.2679083957.

Adding to 1222530205 its reverse (5020352221), we get a palindrome (6242882426).

The spelling of 1222530205 in words is "one billion, two hundred twenty-two million, five hundred thirty thousand, two hundred five".