1220130322 has 8 divisors (see below), whose sum is σ = 1855266876. Its totient is φ = 601708032.

The previous prime is 1220130299. The next prime is 1220130323. The reversal of 1220130322 is 2230310221.

It can be written as a sum of positive squares in 2 ways, for example, as 1070532961 + 149597361 = 32719^2 + 12231^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1220130296 and 1220130305.

It is not an unprimeable number, because it can be changed into a prime (1220130323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4178383 + ... + 4178674.

Almost surely, 2^1220130322 is an apocalyptic number.

1220130322 is a deficient number, since it is larger than the sum of its proper divisors (635136554).

1220130322 is an equidigital number, since it uses as much as digits as its factorization.

1220130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357132.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1220130322 is about 34930.3638973315. The cubic root of 1220130322 is about 1068.5677760432.

Adding to 1220130322 its reverse (2230310221), we get a palindrome (3450440543).

The spelling of 1220130322 in words is "one billion, two hundred twenty million, one hundred thirty thousand, three hundred twenty-two".