22123230122 has 16 divisors (see below), whose sum is σ = 37993639680. Its totient is φ = 9464358768.

The previous prime is 22123230113. The next prime is 22123230137. The reversal of 22123230122 is 22103232122.

It is a happy number.

It is a super-2 number, since 2×22123230122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22123230094 and 22123230103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410722 + ... + 1426317.

It is an arithmetic number, because the mean of its divisors is an integer number (2374602480).

Almost surely, 2^22123230122 is an apocalyptic number.

22123230122 is a deficient number, since it is larger than the sum of its proper divisors (15870409558).

22123230122 is a wasteful number, since it uses less digits than its factorization.

22123230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837605.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22123230122 its reverse (22103232122), we get a palindrome (44226462244).

The spelling of 22123230122 in words is "twenty-two billion, one hundred twenty-three million, two hundred thirty thousand, one hundred twenty-two".