1322440442231 has 2 divisors, whose sum is σ = 1322440442232. Its totient is φ = 1322440442230.

The previous prime is 1322440442209. The next prime is 1322440442243.

It is a happy number.

1322440442231 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322440442231 is a prime.

It is a super-2 number, since 2×1322440442231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322440442251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661220221115 + 661220221116.

It is an arithmetic number, because the mean of its divisors is an integer number (661220221116).

Almost surely, 2^{1322440442231} is an apocalyptic number.

1322440442231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322440442231 is an equidigital number, since it uses as much as digits as its factorization.

1322440442231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 32.

It can be divided in two parts, 1322440 and 442231, that added together give a palindrome (1764671).

The spelling of 1322440442231 in words is "one trillion, three hundred twenty-two billion, four hundred forty million, four hundred forty-two thousand, two hundred thirty-one".