22220221967 has 2 divisors, whose sum is σ = 22220221968. Its totient is φ = 22220221966.

The previous prime is 22220221957. The next prime is 22220221987. The reversal of 22220221967 is 76912202222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220221967 - 2¹⁸ = 22219959823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220221927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110110983 + 11110110984.

It is an arithmetic number, because the mean of its divisors is an integer number (11110110984).

Almost surely, 2^22220221967 is an apocalyptic number.

22220221967 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220221967 is an equidigital number, since it uses as much as digits as its factorization.

22220221967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 22220221967 in words is "twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred sixty-seven".