1220322133 has 2 divisors, whose sum is σ = 1220322134. Its totient is φ = 1220322132.

The previous prime is 1220322127. The next prime is 1220322151. The reversal of 1220322133 is 3312230221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1055405169 + 164916964 = 32487^2 + 12842^2 .

It is an emirp because it is prime and its reverse (3312230221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220322133 is a prime.

It is a super-2 number, since 2×1220322133² = 2978372216579339378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220322833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610161066 + 610161067.

It is an arithmetic number, because the mean of its divisors is an integer number (610161067).

Almost surely, 2^1220322133 is an apocalyptic number.

It is an amenable number.

1220322133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220322133 is an equidigital number, since it uses as much as digits as its factorization.

1220322133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220322133 is about 34933.1094092696. The cubic root of 1220322133 is about 1068.6237679622.

Adding to 1220322133 its reverse (3312230221), we get a palindrome (4532552354).

The spelling of 1220322133 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, one hundred thirty-three".