1322220131 has 2 divisors, whose sum is σ = 1322220132. Its totient is φ = 1322220130.

The previous prime is 1322220103. The next prime is 1322220157. The reversal of 1322220131 is 1310222231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1322220131 - 2²⁶ = 1255111267 is a prime.

It is a super-2 number, since 2×1322220131² = 3496532149643314322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1322220161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661110065 + 661110066.

It is an arithmetic number, because the mean of its divisors is an integer number (661110066).

Almost surely, 2^1322220131 is an apocalyptic number.

1322220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322220131 is an equidigital number, since it uses as much as digits as its factorization.

1322220131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1322220131 is about 36362.3449601370. The cubic root of 1322220131 is about 1097.5759654629.

Adding to 1322220131 its reverse (1310222231), we get a palindrome (2632442362).

The spelling of 1322220131 in words is "one billion, three hundred twenty-two million, two hundred twenty thousand, one hundred thirty-one".