66222914 has 8 divisors (see below), whose sum is σ = 99967548. Its totient is φ = 32900400.

The previous prime is 66222889. The next prime is 66222931. The reversal of 66222914 is 41922266.

It can be written as a sum of positive squares in 2 ways, for example, as 65529025 + 693889 = 8095^2 + 833^2 .

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

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, 105137 + ... + 105764.

Almost surely, 2^66222914 is an apocalyptic number.

66222914 is a deficient number, since it is larger than the sum of its proper divisors (33744634).

66222914 is a wasteful number, since it uses less digits than its factorization.

66222914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211060.

The product of its digits is 10368, while the sum is 32.

The square root of 66222914 is about 8137.7462481943. The cubic root of 66222914 is about 404.5784650296.

The spelling of 66222914 in words is "sixty-six million, two hundred twenty-two thousand, nine hundred fourteen".