7225336621 has 4 divisors (see below), whose sum is σ = 7277317600. Its totient is φ = 7173355644.

The previous prime is 7225336589. The next prime is 7225336637. The reversal of 7225336621 is 1266335227.

7225336621 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 7225336621 - 2⁵ = 7225336589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225336661) 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 3 ways as a sum of consecutive naturals, for example, 25990281 + ... + 25990558.

It is an arithmetic number, because the mean of its divisors is an integer number (1819329400).

Almost surely, 2^7225336621 is an apocalyptic number.

It is an amenable number.

7225336621 is a deficient number, since it is larger than the sum of its proper divisors (51980979).

7225336621 is a wasteful number, since it uses less digits than its factorization.

7225336621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51980978.

The product of its digits is 90720, while the sum is 37.

The square root of 7225336621 is about 85001.9801004659. The cubic root of 7225336621 is about 1933.2411396353.

The spelling of 7225336621 in words is "seven billion, two hundred twenty-five million, three hundred thirty-six thousand, six hundred twenty-one".