322220131349 has 2 divisors, whose sum is σ = 322220131350. Its totient is φ = 322220131348.

The previous prime is 322220131283. The next prime is 322220131357. The reversal of 322220131349 is 943131022223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318761868100 + 3458263249 = 564590^2 + 58807^2 .

It is a cyclic number.

It is not a de Polignac number, because 322220131349 - 2¹² = 322220127253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322220131399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161110065674 + 161110065675.

It is an arithmetic number, because the mean of its divisors is an integer number (161110065675).

Almost surely, 2^322220131349 is an apocalyptic number.

It is an amenable number.

322220131349 is a deficient number, since it is larger than the sum of its proper divisors (1).

322220131349 is an equidigital number, since it uses as much as digits as its factorization.

322220131349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 322220131349 in words is "three hundred twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, three hundred forty-nine".