1222320113 has 8 divisors (see below), whose sum is σ = 1401707328. Its totient is φ = 1044125424.

The previous prime is 1222320083. The next prime is 1222320157. The reversal of 1222320113 is 3110232221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222320113 - 2¹⁴ = 1222303729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222320091 and 1222320100.

It is not an unprimeable number, because it can be changed into a prime (1222320163) 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, 295931 + ... + 300032.

It is an arithmetic number, because the mean of its divisors is an integer number (175213416).

Almost surely, 2^1222320113 is an apocalyptic number.

It is an amenable number.

1222320113 is a deficient number, since it is larger than the sum of its proper divisors (179387215).

1222320113 is an equidigital number, since it uses as much as digits as its factorization.

1222320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596263.

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

The square root of 1222320113 is about 34961.6949388899. The cubic root of 1222320113 is about 1069.2066536030.

Adding to 1222320113 its reverse (3110232221), we get a palindrome (4332552334).

The spelling of 1222320113 in words is "one billion, two hundred twenty-two million, three hundred twenty thousand, one hundred thirteen".