22126806 has 24 divisors (see below), whose sum is σ = 51629760. Its totient is φ = 6808176.

The previous prime is 22126799. The next prime is 22126807. The reversal of 22126806 is 60862122.

It is a self number, because there is not a number n which added to its sum of digits gives 22126806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22126807) 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 11 ways as a sum of consecutive naturals, for example, 47046 + ... + 47513.

It is an arithmetic number, because the mean of its divisors is an integer number (2151240).

Almost surely, 2^22126806 is an apocalyptic number.

22126806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22126806 is an abundant number, since it is smaller than the sum of its proper divisors (29502954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22126806 is a wasteful number, since it uses less digits than its factorization.

22126806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94580 (or 94577 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22126806 is about 4703.9139022733. The cubic root of 22126806 is about 280.7412586844.

Adding to 22126806 its reverse (60862122), we get a palindrome (82988928).

The spelling of 22126806 in words is "twenty-two million, one hundred twenty-six thousand, eight hundred six".