65954229822 has 48 divisors (see below), whose sum is σ = 154187739888. Its totient is φ = 20254769280.

The previous prime is 65954229821. The next prime is 65954229827. The reversal of 65954229822 is 22892245956.

65954229822 is a `hidden beast` number, since 6 + 5 + 9 + 542 + 2 + 98 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65954229821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147079 + ... + 391842.

It is an arithmetic number, because the mean of its divisors is an integer number (3212244581).

Almost surely, 2^65954229822 is an apocalyptic number.

65954229822 is an abundant number, since it is smaller than the sum of its proper divisors (88233510066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65954229822 is a wasteful number, since it uses less digits than its factorization.

65954229822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539465 (or 539462 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 65954229822 in words is "sixty-five billion, nine hundred fifty-four million, two hundred twenty-nine thousand, eight hundred twenty-two".