9094071221 has 4 divisors (see below), whose sum is σ = 9163491744. Its totient is φ = 9024650700.

The previous prime is 9094071211. The next prime is 9094071229. The reversal of 9094071221 is 1221704909.

9094071221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9094071221 - 2⁶ = 9094071157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9094071229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34710065 + ... + 34710326.

It is an arithmetic number, because the mean of its divisors is an integer number (2290872936).

Almost surely, 2^9094071221 is an apocalyptic number.

It is an amenable number.

9094071221 is a deficient number, since it is larger than the sum of its proper divisors (69420523).

9094071221 is a wasteful number, since it uses less digits than its factorization.

9094071221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69420522.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 9094071221 is about 95362.8398329244. The cubic root of 9094071221 is about 2087.3059785299.

The spelling of 9094071221 in words is "nine billion, ninety-four million, seventy-one thousand, two hundred twenty-one".