7225929 has 10 divisors (see below), whose sum is σ = 10794410. Its totient is φ = 4817232.

The previous prime is 7225913. The next prime is 7225931. The reversal of 7225929 is 9295227.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 1750329 = 2340^2 + 1323^2 .

It is not a de Polignac number, because 7225929 - 2⁴ = 7225913 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 7225893 and 7225902.

It is not an unprimeable number, because it can be changed into a prime (7225949) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44524 + ... + 44685.

It is an arithmetic number, because the mean of its divisors is an integer number (1079441).

Almost surely, 2^7225929 is an apocalyptic number.

It is an amenable number.

7225929 is a deficient number, since it is larger than the sum of its proper divisors (3568481).

7225929 is an equidigital number, since it uses as much as digits as its factorization.

7225929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89221 (or 89212 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7225929 is about 2688.1088147618. The cubic root of 7225929 is about 193.3293971322.

The spelling of 7225929 in words is "seven million, two hundred twenty-five thousand, nine hundred twenty-nine".