22232003 has 4 divisors (see below), whose sum is σ = 22265520. Its totient is φ = 22198488.

The previous prime is 22231997. The next prime is 22232011. The reversal of 22232003 is 30023222.

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 22232003 - 2⁶ = 22231939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232083) 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, 15743 + ... + 17096.

It is an arithmetic number, because the mean of its divisors is an integer number (5566380).

Almost surely, 2^22232003 is an apocalyptic number.

22232003 is a deficient number, since it is larger than the sum of its proper divisors (33517).

22232003 is an equidigital number, since it uses as much as digits as its factorization.

22232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33516.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22232003 is about 4715.0825019293. The cubic root of 22232003 is about 281.1854628546.

Adding to 22232003 its reverse (30023222), we get a palindrome (52255225).

The spelling of 22232003 in words is "twenty-two million, two hundred thirty-two thousand, three".