2228732 has 24 divisors (see below), whose sum is σ = 4373040. Its totient is φ = 985680.

The previous prime is 2228731. The next prime is 2228741. The reversal of 2228732 is 2378222.

2228732 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 2¹⁷ + 8 + 7³ + 3³ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60218 + ... + 60254.

It is an arithmetic number, because the mean of its divisors is an integer number (182210).

2^2228732 is an apocalyptic number.

2228732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2228732 is a deficient number, since it is larger than the sum of its proper divisors (2144308).

2228732 is an equidigital number, since it uses as much as digits as its factorization.

2228732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 50 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2228732 is about 1492.8938341356. The cubic root of 2228732 is about 130.6228884071.

The spelling of 2228732 in words is "two million, two hundred twenty-eight thousand, seven hundred thirty-two".