1022221312267 has 2 divisors, whose sum is σ = 1022221312268. Its totient is φ = 1022221312266.

The previous prime is 1022221312261. The next prime is 1022221312313. The reversal of 1022221312267 is 7622131222201.

It is a weak prime.

It is an emirp because it is prime and its reverse (7622131222201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022221312267 is a prime.

It is a super-2 number, since 2×1022221312267² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022221312261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110656133 + 511110656134.

It is an arithmetic number, because the mean of its divisors is an integer number (511110656134).

Almost surely, 2^{1022221312267} is an apocalyptic number.

1022221312267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022221312267 is an equidigital number, since it uses as much as digits as its factorization.

1022221312267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 1022221312267 its reverse (7622131222201), we get a palindrome (8644352534468).

The spelling of 1022221312267 in words is "one trillion, twenty-two billion, two hundred twenty-one million, three hundred twelve thousand, two hundred sixty-seven".