12222440455331 has 2 divisors, whose sum is σ = 12222440455332. Its totient is φ = 12222440455330.

The previous prime is 12222440455321. The next prime is 12222440455367. The reversal of 12222440455331 is 13355404422221.

12222440455331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222440455331 - 2¹⁰ = 12222440454307 is a prime.

It is a super-2 number, since 2×12222440455331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12222440455321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111220227665 + 6111220227666.

It is an arithmetic number, because the mean of its divisors is an integer number (6111220227666).

Almost surely, 2^{12222440455331} is an apocalyptic number.

12222440455331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222440455331 is an equidigital number, since it uses as much as digits as its factorization.

12222440455331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 12222440455331 its reverse (13355404422221), we get a palindrome (25577844877552).

The spelling of 12222440455331 in words is "twelve trillion, two hundred twenty-two billion, four hundred forty million, four hundred fifty-five thousand, three hundred thirty-one".