22355423 has 2 divisors, whose sum is σ = 22355424. Its totient is φ = 22355422.

The previous prime is 22355413. The next prime is 22355477. The reversal of 22355423 is 32455322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22355423 - 2⁴ = 22355407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22355392 and 22355401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22355413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11177711 + 11177712.

It is an arithmetic number, because the mean of its divisors is an integer number (11177712).

Almost surely, 2^22355423 is an apocalyptic number.

22355423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22355423 is an equidigital number, since it uses as much as digits as its factorization.

22355423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 26.

The square root of 22355423 is about 4728.1521760620. The cubic root of 22355423 is about 281.7048325829.

The spelling of 22355423 in words is "twenty-two million, three hundred fifty-five thousand, four hundred twenty-three".