22123003 has 16 divisors (see below), whose sum is σ = 26150080. Its totient is φ = 18320256.

The previous prime is 22122983. The next prime is 22123021. The reversal of 22123003 is 30032122.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22123003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59125 + ... + 59497.

It is an arithmetic number, because the mean of its divisors is an integer number (1634380).

Almost surely, 2^22123003 is an apocalyptic number.

22123003 is a deficient number, since it is larger than the sum of its proper divisors (4027077).

22123003 is a wasteful number, since it uses less digits than its factorization.

22123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22123003 is about 4703.5096470614. The cubic root of 22123003 is about 280.7251738177.

Adding to 22123003 its reverse (30032122), we get a palindrome (52155125).

The spelling of 22123003 in words is "twenty-two million, one hundred twenty-three thousand, three".