2222709 has 4 divisors (see below), whose sum is σ = 2963616. Its totient is φ = 1481804.

The previous prime is 2222687. The next prime is 2222719. The reversal of 2222709 is 9072222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2222709 - 2¹¹ = 2220661 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222719) 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, 370449 + ... + 370454.

It is an arithmetic number, because the mean of its divisors is an integer number (740904).

2^2222709 is an apocalyptic number.

It is an amenable number.

2222709 is a deficient number, since it is larger than the sum of its proper divisors (740907).

2222709 is an equidigital number, since it uses as much as digits as its factorization.

2222709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740906.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2222709 is about 1490.8752462899. The cubic root of 2222709 is about 130.5051156962.

The spelling of 2222709 in words is "two million, two hundred twenty-two thousand, seven hundred nine".