22140204023 has 4 divisors (see below), whose sum is σ = 25303090320. Its totient is φ = 18977317728.

The previous prime is 22140203971. The next prime is 22140204059. The reversal of 22140204023 is 32040204122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32040204122 = 2 ⋅16020102061.

It is a cyclic number.

It is not a de Polignac number, because 22140204023 - 2¹² = 22140199927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22140203986 and 22140204004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140204223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581443138 + ... + 1581443151.

It is an arithmetic number, because the mean of its divisors is an integer number (6325772580).

Almost surely, 2^22140204023 is an apocalyptic number.

22140204023 is a deficient number, since it is larger than the sum of its proper divisors (3162886297).

22140204023 is an equidigital number, since it uses as much as digits as its factorization.

22140204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162886296.

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

Adding to 22140204023 its reverse (32040204122), we get a palindrome (54180408145).

Subtracting 22140204023 from its reverse (32040204122), we obtain a palindrome (9900000099).

The spelling of 22140204023 in words is "twenty-two billion, one hundred forty million, two hundred four thousand, twenty-three".