2709225 has 18 divisors (see below), whose sum is σ = 4852926. Its totient is φ = 1444800.

The previous prime is 2709199. The next prime is 2709233. The reversal of 2709225 is 5229072.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 266256 + 2442969 = 516^2 + 1563^2 .

It is not a de Polignac number, because 2709225 - 2⁷ = 2709097 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5796 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (269607).

2^2709225 is an apocalyptic number.

2709225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2709225 is a deficient number, since it is larger than the sum of its proper divisors (2143701).

2709225 is a wasteful number, since it uses less digits than its factorization.

2709225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12057 (or 12049 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2709225 is about 1645.9723569975. The cubic root of 2709225 is about 139.4060723552.

The spelling of 2709225 in words is "two million, seven hundred nine thousand, two hundred twenty-five".