65918822 has 4 divisors (see below), whose sum is σ = 98878236. Its totient is φ = 32959410.

The previous prime is 65918791. The next prime is 65918833. The reversal of 65918822 is 22881956.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65918822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16479704 + ... + 16479707.

It is an arithmetic number, because the mean of its divisors is an integer number (24719559).

Almost surely, 2^65918822 is an apocalyptic number.

65918822 is a deficient number, since it is larger than the sum of its proper divisors (32959414).

65918822 is a wasteful number, since it uses less digits than its factorization.

65918822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32959413.

The product of its digits is 69120, while the sum is 41.

The square root of 65918822 is about 8119.0407068816. The cubic root of 65918822 is about 403.9582473271.

The spelling of 65918822 in words is "sixty-five million, nine hundred eighteen thousand, eight hundred twenty-two".