9221012 has 12 divisors (see below), whose sum is σ = 16657536. Its totient is φ = 4461720.

The previous prime is 9221011. The next prime is 9221027. The reversal of 9221012 is 2101229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37058 + ... + 37305.

It is an arithmetic number, because the mean of its divisors is an integer number (1388128).

Almost surely, 2^9221012 is an apocalyptic number.

It is an amenable number.

9221012 is a deficient number, since it is larger than the sum of its proper divisors (7436524).

9221012 is a wasteful number, since it uses less digits than its factorization.

9221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74398 (or 74396 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 9221012 is about 3036.6119277906. The cubic root of 9221012 is about 209.6973114657.

The spelling of 9221012 in words is "nine million, two hundred twenty-one thousand, twelve".