26221411 has 2 divisors, whose sum is σ = 26221412. Its totient is φ = 26221410.

The previous prime is 26221397. The next prime is 26221471. The reversal of 26221411 is 11412262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26221411 - 2⁹ = 26220899 is a prime.

It is not a weakly prime, because it can be changed into another prime (26221471) 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, 13110705 + 13110706.

It is an arithmetic number, because the mean of its divisors is an integer number (13110706).

Almost surely, 2^26221411 is an apocalyptic number.

26221411 is a deficient number, since it is larger than the sum of its proper divisors (1).

26221411 is an equidigital number, since it uses as much as digits as its factorization.

26221411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 26221411 is about 5120.6846221965. The cubic root of 26221411 is about 297.0881658840.

Adding to 26221411 its reverse (11412262), we get a palindrome (37633673).

The spelling of 26221411 in words is "twenty-six million, two hundred twenty-one thousand, four hundred eleven".