22226543 has 2 divisors, whose sum is σ = 22226544. Its totient is φ = 22226542.

The previous prime is 22226507. The next prime is 22226563. The reversal of 22226543 is 34562222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22226543 - 2¹⁰ = 22225519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22226563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11113271 + 11113272.

It is an arithmetic number, because the mean of its divisors is an integer number (11113272).

Almost surely, 2^22226543 is an apocalyptic number.

22226543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226543 is an equidigital number, since it uses as much as digits as its factorization.

22226543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 22226543 is about 4714.5034733257. The cubic root of 22226543 is about 281.1624420120.

Adding to 22226543 its reverse (34562222), we get a palindrome (56788765).

The spelling of 22226543 in words is "twenty-two million, two hundred twenty-six thousand, five hundred forty-three".