22220423011 has 2 divisors, whose sum is σ = 22220423012. Its totient is φ = 22220423010.

The previous prime is 22220422999. The next prime is 22220423039. The reversal of 22220423011 is 11032402222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220423011 - 2¹⁷ = 22220291939 is a prime.

It is a super-2 number, since 2×22220423011² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220423011.

It is not a weakly prime, because it can be changed into another prime (22220423041) 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, 11110211505 + 11110211506.

It is an arithmetic number, because the mean of its divisors is an integer number (11110211506).

Almost surely, 2^22220423011 is an apocalyptic number.

22220423011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220423011 is an equidigital number, since it uses as much as digits as its factorization.

22220423011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22220423011 its reverse (11032402222), we get a palindrome (33252825233).

The spelling of 22220423011 in words is "twenty-two billion, two hundred twenty million, four hundred twenty-three thousand, eleven".