7226528 has 12 divisors (see below), whose sum is σ = 14227290. Its totient is φ = 3613248.

The previous prime is 7226521. The next prime is 7226563. The reversal of 7226528 is 8256227.

It can be written as a sum of positive squares in only one way, i.e., 5071504 + 2155024 = 2252^2 + 1468^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 225829 = 7226528 / (7 + 2 + 2 + 6 + 5 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 7226494 and 7226503.

It is not an unprimeable number, because it can be changed into a prime (7226521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112883 + ... + 112946.

Almost surely, 2^7226528 is an apocalyptic number.

It is an amenable number.

7226528 is a deficient number, since it is larger than the sum of its proper divisors (7000762).

7226528 is a wasteful number, since it uses less digits than its factorization.

7226528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225839 (or 225831 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 7226528 is about 2688.2202290735. The cubic root of 7226528 is about 193.3347390570.

The spelling of 7226528 in words is "seven million, two hundred twenty-six thousand, five hundred twenty-eight".