64223113 has 2 divisors, whose sum is σ = 64223114. Its totient is φ = 64223112.

The previous prime is 64223111. The next prime is 64223147. The reversal of 64223113 is 31132246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60793209 + 3429904 = 7797^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 64223113 - 2¹ = 64223111 is a prime.

Together with 64223111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64223111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32111556 + 32111557.

It is an arithmetic number, because the mean of its divisors is an integer number (32111557).

Almost surely, 2^64223113 is an apocalyptic number.

It is an amenable number.

64223113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64223113 is an equidigital number, since it uses as much as digits as its factorization.

64223113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 64223113 is about 8013.9324304613. The cubic root of 64223113 is about 400.4642796525.

Adding to 64223113 its reverse (31132246), we get a palindrome (95355359).

The spelling of 64223113 in words is "sixty-four million, two hundred twenty-three thousand, one hundred thirteen".