9666554222 has 16 divisors (see below), whose sum is σ = 15871192512. Its totient is φ = 4388346720.

The previous prime is 9666554207. The next prime is 9666554231. The reversal of 9666554222 is 2224556669.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045878 + ... + 3049049.

It is an arithmetic number, because the mean of its divisors is an integer number (991949532).

Almost surely, 2^9666554222 is an apocalyptic number.

9666554222 is a deficient number, since it is larger than the sum of its proper divisors (6204638290).

9666554222 is a wasteful number, since it uses less digits than its factorization.

9666554222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095003.

The product of its digits is 1555200, while the sum is 47.

The square root of 9666554222 is about 98318.6361886697. The cubic root of 9666554222 is about 2130.2172496931.

The spelling of 9666554222 in words is "nine billion, six hundred sixty-six million, five hundred fifty-four thousand, two hundred twenty-two".