2225745 has 16 divisors (see below), whose sum is σ = 3957120. Its totient is φ = 1186992.

The previous prime is 2225701. The next prime is 2225747. The reversal of 2225745 is 5475222.

2225745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2225745 - 2⁶ = 2225681 is a prime.

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

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁵ + 2²¹ + 5³ + 7⁵ + 4⁴ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (2225747) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8109 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

2^2225745 is an apocalyptic number.

It is an amenable number.

2225745 is a deficient number, since it is larger than the sum of its proper divisors (1731375).

2225745 is a wasteful number, since it uses less digits than its factorization.

2225745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501 (or 16495 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2225745 is about 1491.8930926846. The cubic root of 2225745 is about 130.5645076771.

The spelling of 2225745 in words is "two million, two hundred twenty-five thousand, seven hundred forty-five".