22023021422 has 4 divisors (see below), whose sum is σ = 33034532136. Its totient is φ = 11011510710.

The previous prime is 22023021421. The next prime is 22023021451. The reversal of 22023021422 is 22412032022.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22023021394 and 22023021403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023021421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505755354 + ... + 5505755357.

It is an arithmetic number, because the mean of its divisors is an integer number (8258633034).

Almost surely, 2^22023021422 is an apocalyptic number.

22023021422 is a deficient number, since it is larger than the sum of its proper divisors (11011510714).

22023021422 is a wasteful number, since it uses less digits than its factorization.

22023021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011510713.

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

Adding to 22023021422 its reverse (22412032022), we get a palindrome (44435053444).

The spelling of 22023021422 in words is "twenty-two billion, twenty-three million, twenty-one thousand, four hundred twenty-two".