2243725 has 24 divisors (see below), whose sum is σ = 3124800. Its totient is φ = 1584000.

The previous prime is 2243723. The next prime is 2243741. The reversal of 2243725 is 5273422.

It is not a de Polignac number, because 2243725 - 2¹ = 2243723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 4⁶ + 3⁴ + 7 + 2²¹ + 5⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2243725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11176 + ... + 11374.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

2^2243725 is an apocalyptic number.

2243725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2243725 is a deficient number, since it is larger than the sum of its proper divisors (881075).

2243725 is a wasteful number, since it uses less digits than its factorization.

2243725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 256 counting only the distinct ones).

The product of its digits is 3360, while the sum is 25.

The square root of 2243725 is about 1497.9068729397. The cubic root of 2243725 is about 130.9151403484.

The spelling of 2243725 in words is "two million, two hundred forty-three thousand, seven hundred twenty-five".