22222012067 has 2 divisors, whose sum is σ = 22222012068. Its totient is φ = 22222012066.

The previous prime is 22222012031. The next prime is 22222012157. The reversal of 22222012067 is 76021022222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222012067 - 2¹² = 22222007971 is a prime.

It is a super-2 number, since 2×22222012067² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22222012027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111006033 + 11111006034.

It is an arithmetic number, because the mean of its divisors is an integer number (11111006034).

Almost surely, 2^22222012067 is an apocalyptic number.

22222012067 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222012067 is an equidigital number, since it uses as much as digits as its factorization.

22222012067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 22222012067 its reverse (76021022222), we get a palindrome (98243034289).

The spelling of 22222012067 in words is "twenty-two billion, two hundred twenty-two million, twelve thousand, sixty-seven".