22122003 has 16 divisors (see below), whose sum is σ = 30703616. Its totient is φ = 14152320.

The previous prime is 22121987. The next prime is 22122011. The reversal of 22122003 is 30022122.

It is not a de Polignac number, because 22122003 - 2⁴ = 22121987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122003.

It is not an unprimeable number, because it can be changed into a prime (22122013) 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 15 ways as a sum of consecutive naturals, for example, 10875 + ... + 12747.

It is an arithmetic number, because the mean of its divisors is an integer number (1918976).

Almost surely, 2^22122003 is an apocalyptic number.

22122003 is a deficient number, since it is larger than the sum of its proper divisors (8581613).

22122003 is a wasteful number, since it uses less digits than its factorization.

22122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22122003 is about 4703.4033422619. The cubic root of 22122003 is about 280.7209439910.

Adding to 22122003 its reverse (30022122), we get a palindrome (52144125).

The spelling of 22122003 in words is "twenty-two million, one hundred twenty-two thousand, three".