22807117 has 4 divisors (see below), whose sum is σ = 23128416. Its totient is φ = 22485820.

The previous prime is 22807093. The next prime is 22807121. The reversal of 22807117 is 71170822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71170822 = 2 ⋅35585411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22807117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22807177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160543 + ... + 160684.

It is an arithmetic number, because the mean of its divisors is an integer number (5782104).

Almost surely, 2^22807117 is an apocalyptic number.

It is an amenable number.

22807117 is a deficient number, since it is larger than the sum of its proper divisors (321299).

22807117 is an equidigital number, since it uses as much as digits as its factorization.

22807117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321298.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 22807117 is about 4775.6797421938. The cubic root of 22807117 is about 283.5894890680.

Adding to 22807117 its reverse (71170822), we get a palindrome (93977939).

The spelling of 22807117 in words is "twenty-two million, eight hundred seven thousand, one hundred seventeen".