1222113320 has 32 divisors (see below), whose sum is σ = 2813706720. Its totient is φ = 477476160.

The previous prime is 1222113311. The next prime is 1222113329. The reversal of 1222113320 is 233112221.

It is an interprime number because it is at equal distance from previous prime (1222113311) and next prime (1222113329).

It is not an unprimeable number, because it can be changed into a prime (1222113329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353546 + ... + 356985.

It is an arithmetic number, because the mean of its divisors is an integer number (87928335).

Almost surely, 2^1222113320 is an apocalyptic number.

1222113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222113320 is an abundant number, since it is smaller than the sum of its proper divisors (1591593400).

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

1222113320 is a wasteful number, since it uses less digits than its factorization.

1222113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710585 (or 710581 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222113320 is about 34958.7373913876. The cubic root of 1222113320 is about 1069.1463538176.

Adding to 1222113320 its reverse (233112221), we get a palindrome (1455225541).

The spelling of 1222113320 in words is "one billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred twenty".