26220449 has 2 divisors, whose sum is σ = 26220450. Its totient is φ = 26220448.

The previous prime is 26220433. The next prime is 26220461. The reversal of 26220449 is 94402262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14386849 + 11833600 = 3793^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 26220449 - 2⁴ = 26220433 is a prime.

It is not a weakly prime, because it can be changed into another prime (26220419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13110224 + 13110225.

It is an arithmetic number, because the mean of its divisors is an integer number (13110225).

Almost surely, 2^26220449 is an apocalyptic number.

It is an amenable number.

26220449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26220449 is an equidigital number, since it uses as much as digits as its factorization.

26220449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 26220449 is about 5120.5906885827. The cubic root of 26220449 is about 297.0845326913.

The spelling of 26220449 in words is "twenty-six million, two hundred twenty thousand, four hundred forty-nine".