26222849 has 2 divisors, whose sum is σ = 26222850. Its totient is φ = 26222848.

The previous prime is 26222843. The next prime is 26222881. The reversal of 26222849 is 94822262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17372224 + 8850625 = 4168^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 26222849 - 2²⁴ = 9445633 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 (26222843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13111424 + 13111425.

It is an arithmetic number, because the mean of its divisors is an integer number (13111425).

Almost surely, 2^26222849 is an apocalyptic number.

It is an amenable number.

26222849 is a deficient number, since it is larger than the sum of its proper divisors (1).

26222849 is an equidigital number, since it uses as much as digits as its factorization.

26222849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 26222849 is about 5120.8250311839. The cubic root of 26222849 is about 297.0935966237.

The spelling of 26222849 in words is "twenty-six million, two hundred twenty-two thousand, eight hundred forty-nine".