7325221001 has 16 divisors (see below), whose sum is σ = 9031388544. Its totient is φ = 5797918464.

The previous prime is 7325220997. The next prime is 7325221027. The reversal of 7325221001 is 1001225237.

It is a happy number.

It is not a de Polignac number, because 7325221001 - 2² = 7325220997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7325221091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574415 + ... + 587028.

It is an arithmetic number, because the mean of its divisors is an integer number (564461784).

Almost surely, 2^7325221001 is an apocalyptic number.

It is an amenable number.

7325221001 is a deficient number, since it is larger than the sum of its proper divisors (1706167543).

7325221001 is a wasteful number, since it uses less digits than its factorization.

7325221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161520.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7325221001 is about 85587.5049350079. The cubic root of 7325221001 is about 1942.1088946346.

Adding to 7325221001 its reverse (1001225237), we get a palindrome (8326446238).

The spelling of 7325221001 in words is "seven billion, three hundred twenty-five million, two hundred twenty-one thousand, one".