65117722 has 8 divisors (see below), whose sum is σ = 97711200. Its totient is φ = 32547324.

The previous prime is 65117713. The next prime is 65117729. The reversal of 65117722 is 22771156.

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

It is not an unprimeable number, because it can be changed into a prime (65117729) 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, 6529 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (12213900).

Almost surely, 2^65117722 is an apocalyptic number.

65117722 is a deficient number, since it is larger than the sum of its proper divisors (32593478).

65117722 is a wasteful number, since it uses less digits than its factorization.

65117722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11540.

The product of its digits is 5880, while the sum is 31.

The square root of 65117722 is about 8069.5552541636. Note that the first 3 decimals coincide. The cubic root of 65117722 is about 402.3151617131.

Adding to 65117722 its reverse (22771156), we get a palindrome (87888878).

The spelling of 65117722 in words is "sixty-five million, one hundred seventeen thousand, seven hundred twenty-two".