22220000123 has 2 divisors, whose sum is σ = 22220000124. Its totient is φ = 22220000122.

The previous prime is 22220000119. The next prime is 22220000183. The reversal of 22220000123 is 32100002222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220000123 - 2² = 22220000119 is a prime.

It is a super-2 number, since 2×22220000123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22220000098 and 22220000107.

It is not a weakly prime, because it can be changed into another prime (22220000183) 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, 11110000061 + 11110000062.

It is an arithmetic number, because the mean of its divisors is an integer number (11110000062).

Almost surely, 2^22220000123 is an apocalyptic number.

22220000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220000123 is an equidigital number, since it uses as much as digits as its factorization.

22220000123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22220000123 its reverse (32100002222), we get a palindrome (54320002345).

The spelling of 22220000123 in words is "twenty-two billion, two hundred twenty million, one hundred twenty-three", and thus it is an aban number.