22605117 has 8 divisors (see below), whose sum is σ = 31726560. Its totient is φ = 14276880.

The previous prime is 22605109. The next prime is 22605127. The reversal of 22605117 is 71150622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22605117 - 2³ = 22605109 is a prime.

It is a super-4 number, since 4×22605117⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22605127) 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, 198234 + ... + 198347.

It is an arithmetic number, because the mean of its divisors is an integer number (3965820).

Almost surely, 2^22605117 is an apocalyptic number.

It is an amenable number.

22605117 is a deficient number, since it is larger than the sum of its proper divisors (9121443).

22605117 is a wasteful number, since it uses less digits than its factorization.

22605117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396603.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 22605117 is about 4754.4838836618. The cubic root of 22605117 is about 282.7497652756.

Adding to 22605117 its reverse (71150622), we get a palindrome (93755739).

It can be divided in two parts, 22605 and 117, that added together give a palindrome (22722).

The spelling of 22605117 in words is "twenty-two million, six hundred five thousand, one hundred seventeen".