26226809 has 8 divisors (see below), whose sum is σ = 30585600. Its totient is φ = 22479828.

The previous prime is 26226803. The next prime is 26226847. The reversal of 26226809 is 90862262.

It is not a de Polignac number, because 26226809 - 2⁴ = 26226793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26226803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37889 + ... + 38574.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^26226809 is an apocalyptic number.

It is an amenable number.

26226809 is a deficient number, since it is larger than the sum of its proper divisors (4358791).

26226809 is an frugal number, since it uses more digits than its factorization.

26226809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76484 (or 76470 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 26226809 is about 5121.2116730321. The cubic root of 26226809 is about 297.1085509030.

The spelling of 26226809 in words is "twenty-six million, two hundred twenty-six thousand, eight hundred nine".