2223997 has 4 divisors (see below), whose sum is σ = 2229120. Its totient is φ = 2218876.

The previous prime is 2223983. The next prime is 2224009. The reversal of 2223997 is 7993222.

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 2223997 - 2⁷ = 2223869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223937) 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, 1843 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (557280).

2^2223997 is an apocalyptic number.

It is an amenable number.

2223997 is a deficient number, since it is larger than the sum of its proper divisors (5123).

2223997 is an equidigital number, since it uses as much as digits as its factorization.

2223997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122.

The product of its digits is 13608, while the sum is 34.

The square root of 2223997 is about 1491.3071447559. The cubic root of 2223997 is about 130.5303188951.

The spelling of 2223997 in words is "two million, two hundred twenty-three thousand, nine hundred ninety-seven".