2223697 has 4 divisors (see below), whose sum is σ = 2541376. Its totient is φ = 1906020.

The previous prime is 2223679. The next prime is 2223701. The reversal of 2223697 is 7963222.

2223697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-2223697 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 2¹² + 2¹² + 3¹² + 6⁸ + 9 + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158829 + ... + 158842.

It is an arithmetic number, because the mean of its divisors is an integer number (635344).

2^2223697 is an apocalyptic number.

It is an amenable number.

2223697 is a deficient number, since it is larger than the sum of its proper divisors (317679).

2223697 is an equidigital number, since it uses as much as digits as its factorization.

2223697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317678.

The product of its digits is 9072, while the sum is 31.

The square root of 2223697 is about 1491.2065584620. The cubic root of 2223697 is about 130.5244494543.

The spelling of 2223697 in words is "two million, two hundred twenty-three thousand, six hundred ninety-seven".