7226500 has 48 divisors (see below), whose sum is σ = 16052400. Its totient is φ = 2841600.

The previous prime is 7226491. The next prime is 7226501. The reversal of 7226500 is 56227.

It can be written as a sum of positive squares in 8 ways, for example, as 4072324 + 3154176 = 2018^2 + 1776^2 .

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (7226501) by changing a digit.

It is a nontrivial repunit in base 193.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48426 + ... + 48574.

It is an arithmetic number, because the mean of its divisors is an integer number (334425).

Almost surely, 2^7226500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7226500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8026200).

7226500 is an abundant number, since it is smaller than the sum of its proper divisors (8825900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7226500 is a wasteful number, since it uses less digits than its factorization.

7226500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7226500 is about 2688.2150211618. The cubic root of 7226500 is about 193.3344893576.

The spelling of 7226500 in words is "seven million, two hundred twenty-six thousand, five hundred".