2222785 has 4 divisors (see below), whose sum is σ = 2667348. Its totient is φ = 1778224.

The previous prime is 2222783. The next prime is 2222809. The reversal of 2222785 is 5872222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 1679616 = 737^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222785 - 2¹ = 2222783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222274 + ... + 222283.

It is an arithmetic number, because the mean of its divisors is an integer number (666837).

2^2222785 is an apocalyptic number.

It is an amenable number.

2222785 is a deficient number, since it is larger than the sum of its proper divisors (444563).

2222785 is an equidigital number, since it uses as much as digits as its factorization.

2222785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444562.

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

The square root of 2222785 is about 1490.9007344555. The cubic root of 2222785 is about 130.5066031117.

The spelling of 2222785 in words is "two million, two hundred twenty-two thousand, seven hundred eighty-five".