22422002123 has 16 divisors (see below), whose sum is σ = 23454213120. Its totient is φ = 21407673504.

The previous prime is 22422002101. The next prime is 22422002149. The reversal of 22422002123 is 32120022422.

It is a cyclic number.

It is not a de Polignac number, because 22422002123 - 2¹⁴ = 22421985739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22422002095 and 22422002104.

It is not an unprimeable number, because it can be changed into a prime (22422002153) 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, 2214290 + ... + 2224392.

It is an arithmetic number, because the mean of its divisors is an integer number (1465888320).

Almost surely, 2^22422002123 is an apocalyptic number.

22422002123 is a deficient number, since it is larger than the sum of its proper divisors (1032210997).

22422002123 is a wasteful number, since it uses less digits than its factorization.

22422002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22422002123 its reverse (32120022422), we get a palindrome (54542024545).

The spelling of 22422002123 in words is "twenty-two billion, four hundred twenty-two million, two thousand, one hundred twenty-three".