26642233 has 2 divisors, whose sum is σ = 26642234. Its totient is φ = 26642232.

The previous prime is 26642227. The next prime is 26642261. The reversal of 26642233 is 33224662.

It is an a-pointer prime, because the next prime (26642261) can be obtained adding 26642233 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25482304 + 1159929 = 5048^2 + 1077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26642233 is a prime.

It is not a weakly prime, because it can be changed into another prime (26642263) 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, 13321116 + 13321117.

It is an arithmetic number, because the mean of its divisors is an integer number (13321117).

Almost surely, 2^26642233 is an apocalyptic number.

It is an amenable number.

26642233 is a deficient number, since it is larger than the sum of its proper divisors (1).

26642233 is an equidigital number, since it uses as much as digits as its factorization.

26642233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 28.

The square root of 26642233 is about 5161.6114731739. The cubic root of 26642233 is about 298.6690409292.

Adding to 26642233 its reverse (33224662), we get a palindrome (59866895).

The spelling of 26642233 in words is "twenty-six million, six hundred forty-two thousand, two hundred thirty-three".