42224111 has 2 divisors, whose sum is σ = 42224112. Its totient is φ = 42224110.

The previous prime is 42224101. The next prime is 42224167. The reversal of 42224111 is 11142224.

42224111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42224111 - 2⁶ = 42224047 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42224111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42224101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21112055 + 21112056.

It is an arithmetic number, because the mean of its divisors is an integer number (21112056).

Almost surely, 2^42224111 is an apocalyptic number.

42224111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42224111 is an equidigital number, since it uses as much as digits as its factorization.

42224111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 17.

The square root of 42224111 is about 6498.0082332973. The cubic root of 42224111 is about 348.2198345657.

Adding to 42224111 its reverse (11142224), we get a palindrome (53366335).

It can be divided in two parts, 42224 and 111, that multiplied together give a palindrome (4686864).

The spelling of 42224111 in words is "forty-two million, two hundred twenty-four thousand, one hundred eleven".