1222105548 has 24 divisors (see below), whose sum is σ = 2852147200. Its totient is φ = 407287440.

The previous prime is 1222105543. The next prime is 1222105561. The reversal of 1222105548 is 8455012221.

It is not an unprimeable number, because it can be changed into a prime (1222105541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104853 + ... + 115923.

Almost surely, 2^1222105548 is an apocalyptic number.

It is an amenable number.

1222105548 is an abundant number, since it is smaller than the sum of its proper divisors (1630041652).

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

1222105548 is a wasteful number, since it uses less digits than its factorization.

1222105548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20277 (or 20275 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 1222105548 is about 34958.6262315898. The cubic root of 1222105548 is about 1069.1440874093.

Adding to 1222105548 its reverse (8455012221), we get a palindrome (9677117769).

The spelling of 1222105548 in words is "one billion, two hundred twenty-two million, one hundred five thousand, five hundred forty-eight".