26022009 has 32 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 15317568.

The previous prime is 26021999. The next prime is 26022011. The reversal of 26022009 is 90022062.

It is a happy number.

It is not a de Polignac number, because 26022009 - 2⁵ = 26021977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26022049) 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 in 31 ways as a sum of consecutive naturals, for example, 98812 + ... + 99074.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^26022009 is an apocalyptic number.

It is an amenable number.

26022009 is a deficient number, since it is larger than the sum of its proper divisors (13007751).

26022009 is a wasteful number, since it uses less digits than its factorization.

26022009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 26022009 is about 5101.1772170745. The cubic root of 26022009 is about 296.3331750291. Note that the first 3 decimals are identical.

The spelling of 26022009 in words is "twenty-six million, twenty-two thousand, nine".