66222714 has 16 divisors (see below), whose sum is σ = 139416480. Its totient is φ = 20912400.

The previous prime is 66222707. The next prime is 66222781. The reversal of 66222714 is 41722266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290337 + ... + 290564.

It is an arithmetic number, because the mean of its divisors is an integer number (8713530).

Almost surely, 2^66222714 is an apocalyptic number.

66222714 is an abundant number, since it is smaller than the sum of its proper divisors (73193766).

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

66222714 is a wasteful number, since it uses less digits than its factorization.

66222714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580925.

The product of its digits is 8064, while the sum is 30.

The square root of 66222714 is about 8137.7339597704. The cubic root of 66222714 is about 404.5780577397.

The spelling of 66222714 in words is "sixty-six million, two hundred twenty-two thousand, seven hundred fourteen".