65390788222 has 8 divisors (see below), whose sum is σ = 98190421272. Its totient is φ = 32660647800.

The previous prime is 65390788217. The next prime is 65390788241. The reversal of 65390788222 is 22288709356.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65390788222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17370804 + ... + 17374567.

It is an arithmetic number, because the mean of its divisors is an integer number (12273802659).

Almost surely, 2^65390788222 is an apocalyptic number.

65390788222 is a deficient number, since it is larger than the sum of its proper divisors (32799633050).

65390788222 is a wasteful number, since it uses less digits than its factorization.

65390788222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34746314.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 65390788222 in words is "sixty-five billion, three hundred ninety million, seven hundred eighty-eight thousand, two hundred twenty-two".