1220122304 has 28 divisors (see below), whose sum is σ = 2499286848. Its totient is φ = 590380800.

The previous prime is 1220122289. The next prime is 1220122313. The reversal of 1220122304 is 4032210221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305507 + ... + 309474.

Almost surely, 2^1220122304 is an apocalyptic number.

It is an amenable number.

1220122304 is an abundant number, since it is smaller than the sum of its proper divisors (1279164544).

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

1220122304 is an equidigital number, since it uses as much as digits as its factorization.

1220122304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615024 (or 615014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220122304 is about 34930.2491259367. The cubic root of 1220122304 is about 1068.5654353656.

Adding to 1220122304 its reverse (4032210221), we get a palindrome (5252332525).

The spelling of 1220122304 in words is "one billion, two hundred twenty million, one hundred twenty-two thousand, three hundred four".