1222245204 has 12 divisors (see below), whose sum is σ = 2851905504. Its totient is φ = 407415064.

The previous prime is 1222245197. The next prime is 1222245217. The reversal of 1222245204 is 4025422221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50926872 + ... + 50926895.

It is an arithmetic number, because the mean of its divisors is an integer number (237658792).

Almost surely, 2^1222245204 is an apocalyptic number.

It is an amenable number.

1222245204 is an abundant number, since it is smaller than the sum of its proper divisors (1629660300).

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

1222245204 is a wasteful number, since it uses less digits than its factorization.

1222245204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101853774 (or 101853772 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1222245204 is about 34960.6236214402. The cubic root of 1222245204 is about 1069.1848113058.

Adding to 1222245204 its reverse (4025422221), we get a palindrome (5247667425).

The spelling of 1222245204 in words is "one billion, two hundred twenty-two million, two hundred forty-five thousand, two hundred four".