2250728 has 16 divisors (see below), whose sum is σ = 4237380. Its totient is φ = 1120768.

The previous prime is 2250713. The next prime is 2250761. The reversal of 2250728 is 8270522.

2250728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 6724 = 1498^2 + 82^2 .

It is a super-3 number, since 3×2250728³ = 34205055233333485056, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2 + 2⁵ + 5⁵ + 0 + 7⁶ + 2²¹ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2250697 and 2250706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426 + ... + 3222.

2^2250728 is an apocalyptic number.

It is an amenable number.

2250728 is a deficient number, since it is larger than the sum of its proper divisors (1986652).

2250728 is a wasteful number, since it uses less digits than its factorization.

2250728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2250728 is about 1500.2426470408. The cubic root of 2250728 is about 131.0512007771.

The spelling of 2250728 in words is "two million, two hundred fifty thousand, seven hundred twenty-eight".