2242723 has 4 divisors (see below), whose sum is σ = 2563120. Its totient is φ = 1922328.

The previous prime is 2242697. The next prime is 2242727. The reversal of 2242723 is 3272422.

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

It is a cyclic number.

It is not a de Polignac number, because 2242723 - 2⁹ = 2242211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2242694 and 2242703.

It is not an unprimeable number, because it can be changed into a prime (2242727) 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, 160188 + ... + 160201.

It is an arithmetic number, because the mean of its divisors is an integer number (640780).

2^2242723 is an apocalyptic number.

2242723 is a deficient number, since it is larger than the sum of its proper divisors (320397).

2242723 is an equidigital number, since it uses as much as digits as its factorization.

2242723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320396.

The product of its digits is 1344, while the sum is 22.

The square root of 2242723 is about 1497.5723688690. The cubic root of 2242723 is about 130.8956494716.

The spelling of 2242723 in words is "two million, two hundred forty-two thousand, seven hundred twenty-three".