22022312123 has 16 divisors (see below), whose sum is σ = 25272898560. Its totient is φ = 18797978400.

The previous prime is 22022312087. The next prime is 22022312131. The reversal of 22022312123 is 32121322022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22022312123 - 2²⁰ = 22021263547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022312095 and 22022312104.

It is not an unprimeable number, because it can be changed into a prime (22022312153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2671418 + ... + 2679648.

It is an arithmetic number, because the mean of its divisors is an integer number (1579556160).

Almost surely, 2^22022312123 is an apocalyptic number.

22022312123 is a deficient number, since it is larger than the sum of its proper divisors (3250586437).

22022312123 is a wasteful number, since it uses less digits than its factorization.

22022312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9778.

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

Adding to 22022312123 its reverse (32121322022), we get a palindrome (54143634145).

The spelling of 22022312123 in words is "twenty-two billion, twenty-two million, three hundred twelve thousand, one hundred twenty-three".