221422268467 has 2 divisors, whose sum is σ = 221422268468. Its totient is φ = 221422268466.

The previous prime is 221422268393. The next prime is 221422268621. The reversal of 221422268467 is 764862224122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221422268467 - 2⁷ = 221422268339 is a prime.

It is not a weakly prime, because it can be changed into another prime (221422268867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711134233 + 110711134234.

It is an arithmetic number, because the mean of its divisors is an integer number (110711134234).

Almost surely, 2^221422268467 is an apocalyptic number.

221422268467 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422268467 is an equidigital number, since it uses as much as digits as its factorization.

221422268467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 46.

The spelling of 221422268467 in words is "two hundred twenty-one billion, four hundred twenty-two million, two hundred sixty-eight thousand, four hundred sixty-seven".