66286922 has 16 divisors (see below), whose sum is σ = 107684640. Its totient is φ = 30420912.

The previous prime is 66286921. The next prime is 66286963. The reversal of 66286922 is 22968266.

It is a self number, because there is not a number n which added to its sum of digits gives 66286922.

It is not an unprimeable number, because it can be changed into a prime (66286921) 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, 2468 + ... + 11775.

It is an arithmetic number, because the mean of its divisors is an integer number (6730290).

Almost surely, 2^66286922 is an apocalyptic number.

66286922 is a deficient number, since it is larger than the sum of its proper divisors (41397718).

66286922 is a wasteful number, since it uses less digits than its factorization.

66286922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437.

The product of its digits is 124416, while the sum is 41.

The square root of 66286922 is about 8141.6780825577. The cubic root of 66286922 is about 404.7087719880.

The spelling of 66286922 in words is "sixty-six million, two hundred eighty-six thousand, nine hundred twenty-two".