2722285 has 8 divisors (see below), whose sum is σ = 3275640. Its totient is φ = 2171904.

The previous prime is 2722273. The next prime is 2722309. The reversal of 2722285 is 5822272.

It can be written as a sum of positive squares in 4 ways, for example, as 514089 + 2208196 = 717^2 + 1486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2722285 - 2⁹ = 2721773 is a prime.

2722285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961 + ... + 3769.

It is an arithmetic number, because the mean of its divisors is an integer number (409455).

2^2722285 is an apocalyptic number.

It is an amenable number.

2722285 is a deficient number, since it is larger than the sum of its proper divisors (553355).

2722285 is an equidigital number, since it uses as much as digits as its factorization.

2722285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its digits is 4480, while the sum is 28.

The square root of 2722285 is about 1649.9348471985. The cubic root of 2722285 is about 139.6297187983.

The spelling of 2722285 in words is "two million, seven hundred twenty-two thousand, two hundred eighty-five".