2223603 has 6 divisors (see below), whose sum is σ = 3211884. Its totient is φ = 1482396.

The previous prime is 2223587. The next prime is 2223607. The reversal of 2223603 is 3063222.

It is not a de Polignac number, because 2223603 - 2⁴ = 2223587 is a prime.

It is an Ulam number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123525 + ... + 123542.

It is an arithmetic number, because the mean of its divisors is an integer number (535314).

2^2223603 is an apocalyptic number.

2223603 is a deficient number, since it is larger than the sum of its proper divisors (988281).

2223603 is a wasteful number, since it uses less digits than its factorization.

2223603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247073 (or 247070 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2223603 is about 1491.1750400272. The cubic root of 2223603 is about 130.5226102542.

Adding to 2223603 its reverse (3063222), we get a palindrome (5286825).

The spelling of 2223603 in words is "two million, two hundred twenty-three thousand, six hundred three".