22806117 has 10 divisors (see below), whose sum is σ = 34068518. Its totient is φ = 15204024.

The previous prime is 22806107. The next prime is 22806143. The reversal of 22806117 is 71160822.

It can be written as a sum of positive squares in only one way, i.e., 19368801 + 3437316 = 4401^2 + 1854^2 .

It is not a de Polignac number, because 22806117 - 2⁴ = 22806101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22806107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 140698 + ... + 140859.

Almost surely, 2^22806117 is an apocalyptic number.

22806117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22806117 is a deficient number, since it is larger than the sum of its proper divisors (11262401).

22806117 is an equidigital number, since it uses as much as digits as its factorization.

22806117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281569 (or 281560 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 22806117 is about 4775.5750439083. The cubic root of 22806117 is about 283.5853442560.

Adding to 22806117 its reverse (71160822), we get a palindrome (93966939).

The spelling of 22806117 in words is "twenty-two million, eight hundred six thousand, one hundred seventeen".