7264221009 has 8 divisors (see below), whose sum is σ = 9694461600. Its totient is φ = 4838397216.

The previous prime is 7264221001. The next prime is 7264221011. The reversal of 7264221009 is 9001224627.

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

It is not a de Polignac number, because 7264221009 - 2³ = 7264221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7264221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100359 + ... + 1106940.

It is an arithmetic number, because the mean of its divisors is an integer number (1211807700).

Almost surely, 2^7264221009 is an apocalyptic number.

It is an amenable number.

7264221009 is a deficient number, since it is larger than the sum of its proper divisors (2430240591).

7264221009 is a wasteful number, since it uses less digits than its factorization.

7264221009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208399.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 7264221009 is about 85230.3995590775. The cubic root of 7264221009 is about 1936.7029598152.

The spelling of 7264221009 in words is "seven billion, two hundred sixty-four million, two hundred twenty-one thousand, nine".