26422909 has 2 divisors, whose sum is σ = 26422910. Its totient is φ = 26422908.

The previous prime is 26422859. The next prime is 26422919. The reversal of 26422909 is 90922462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18705625 + 7717284 = 4325^2 + 2778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26422909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26422919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211454 + 13211455.

It is an arithmetic number, because the mean of its divisors is an integer number (13211455).

Almost surely, 2^26422909 is an apocalyptic number.

It is an amenable number.

26422909 is a deficient number, since it is larger than the sum of its proper divisors (1).

26422909 is an equidigital number, since it uses as much as digits as its factorization.

26422909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26422909 is about 5140.3218770812. The cubic root of 26422909 is about 297.8472145946.

The spelling of 26422909 in words is "twenty-six million, four hundred twenty-two thousand, nine hundred nine".