7228332 has 96 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 2177280.

The previous prime is 7228321. The next prime is 7228373. The reversal of 7228332 is 2338227.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 7228296 and 7228305.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 56853 + ... + 56979.

It is an arithmetic number, because the mean of its divisors is an integer number (215040).

Almost surely, 2^7228332 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 7228332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10321920).

7228332 is an abundant number, since it is smaller than the sum of its proper divisors (13415508).

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

7228332 is a wasteful number, since it uses less digits than its factorization.

7228332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 180 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 7228332 is about 2688.5557461210. Note that the first 3 decimals coincide. The cubic root of 7228332 is about 193.3508254751.

The spelling of 7228332 in words is "seven million, two hundred twenty-eight thousand, three hundred thirty-two".