1222122304 has 28 divisors (see below), whose sum is σ = 2611700644. Its totient is φ = 564056064.

The previous prime is 1222122271. The next prime is 1222122311. The reversal of 1222122304 is 4032212221.

It can be written as a sum of positive squares in 2 ways, for example, as 223562304 + 998560000 = 14952^2 + 31600^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733617 + ... + 735280.

It is an arithmetic number, because the mean of its divisors is an integer number (93275023).

Almost surely, 2^1222122304 is an apocalyptic number.

It is an amenable number.

1222122304 is an abundant number, since it is smaller than the sum of its proper divisors (1389578340).

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

1222122304 is a wasteful number, since it uses less digits than its factorization.

1222122304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468922 (or 1468912 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1222122304 is about 34958.8658854946. The cubic root of 1222122304 is about 1069.1489736475.

Adding to 1222122304 its reverse (4032212221), we get a palindrome (5254334525).

The spelling of 1222122304 in words is "one billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred four".