22768117 has 8 divisors (see below), whose sum is σ = 24154200. Its totient is φ = 21387264.

The previous prime is 22768093. The next prime is 22768121. The reversal of 22768117 is 71186722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2328676 + 20439441 = 1526^2 + 4521^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22768117 - 2⁷ = 22767989 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 (22768157) 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, 11109 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (3019275).

Almost surely, 2^22768117 is an apocalyptic number.

It is an amenable number.

22768117 is a deficient number, since it is larger than the sum of its proper divisors (1386083).

22768117 is a wasteful number, since it uses less digits than its factorization.

22768117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615.

The product of its digits is 9408, while the sum is 34.

The square root of 22768117 is about 4771.5948067706. The cubic root of 22768117 is about 283.4277515390.

The spelling of 22768117 in words is "twenty-two million, seven hundred sixty-eight thousand, one hundred seventeen".