26224889 has 2 divisors, whose sum is σ = 26224890. Its totient is φ = 26224888.

The previous prime is 26224879. The next prime is 26224901. The reversal of 26224889 is 98842262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26091664 + 133225 = 5108^2 + 365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26224889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26224859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13112444 + 13112445.

It is an arithmetic number, because the mean of its divisors is an integer number (13112445).

Almost surely, 2^26224889 is an apocalyptic number.

It is an amenable number.

26224889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26224889 is an equidigital number, since it uses as much as digits as its factorization.

26224889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The square root of 26224889 is about 5121.0242139635. The cubic root of 26224889 is about 297.1013005313.

The spelling of 26224889 in words is "twenty-six million, two hundred twenty-four thousand, eight hundred eighty-nine".