22043113 has 2 divisors, whose sum is σ = 22043114. Its totient is φ = 22043112.

The previous prime is 22043111. The next prime is 22043123. The reversal of 22043113 is 31134022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 10188864 = 3443^2 + 3192^2 .

It is a cyclic number.

It is not a de Polignac number, because 22043113 - 2¹ = 22043111 is a prime.

Together with 22043111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22043111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11021556 + 11021557.

It is an arithmetic number, because the mean of its divisors is an integer number (11021557).

Almost surely, 2^22043113 is an apocalyptic number.

It is an amenable number.

22043113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22043113 is an equidigital number, since it uses as much as digits as its factorization.

22043113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22043113 is about 4695.0093716626. The cubic root of 22043113 is about 280.3868504819.

Adding to 22043113 its reverse (31134022), we get a palindrome (53177135).

Subtracting 22043113 from its reverse (31134022), we obtain a palindrome (9090909).

The spelling of 22043113 in words is "twenty-two million, forty-three thousand, one hundred thirteen".