22140204223 has 2 divisors, whose sum is σ = 22140204224. Its totient is φ = 22140204222.

The previous prime is 22140204209. The next prime is 22140204257. The reversal of 22140204223 is 32240204122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22140204223 - 2⁹ = 22140203711 is a prime.

It is a super-2 number, since 2×22140204223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22140204194 and 22140204203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22140204293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070102111 + 11070102112.

It is an arithmetic number, because the mean of its divisors is an integer number (11070102112).

Almost surely, 2^22140204223 is an apocalyptic number.

22140204223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22140204223 is an equidigital number, since it uses as much as digits as its factorization.

22140204223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22140204223 its reverse (32240204122), we get a palindrome (54380408345).

The spelling of 22140204223 in words is "twenty-two billion, one hundred forty million, two hundred four thousand, two hundred twenty-three".