22026443 has 2 divisors, whose sum is σ = 22026444. Its totient is φ = 22026442.

The previous prime is 22026439. The next prime is 22026463. The reversal of 22026443 is 34462022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22026443 - 2² = 22026439 is a prime.

It is not a weakly prime, because it can be changed into another prime (22026413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11013221 + 11013222.

It is an arithmetic number, because the mean of its divisors is an integer number (11013222).

Almost surely, 2^22026443 is an apocalyptic number.

22026443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22026443 is an equidigital number, since it uses as much as digits as its factorization.

22026443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 22026443 is about 4693.2337465760. The cubic root of 22026443 is about 280.3161522471.

Adding to 22026443 its reverse (34462022), we get a palindrome (56488465).

The spelling of 22026443 in words is "twenty-two million, twenty-six thousand, four hundred forty-three".