2239725 has 12 divisors (see below), whose sum is σ = 3703136. Its totient is φ = 1194480.

The previous prime is 2239723. The next prime is 2239747. The reversal of 2239725 is 5279322.

It is a happy number.

2239725 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 2239725 - 2¹ = 2239723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2239692 and 2239701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239723) 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 11 ways as a sum of consecutive naturals, for example, 14857 + ... + 15006.

2^2239725 is an apocalyptic number.

2239725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2239725 is a deficient number, since it is larger than the sum of its proper divisors (1463411).

2239725 is a wasteful number, since it uses less digits than its factorization.

2239725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29876 (or 29871 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 2239725 is about 1496.5710808378. The cubic root of 2239725 is about 130.8372977644.

It can be divided in two parts, 22397 and 25, that added together give a palindrome (22422).

The spelling of 2239725 in words is "two million, two hundred thirty-nine thousand, seven hundred twenty-five".