22122403 has 8 divisors (see below), whose sum is σ = 23349200. Its totient is φ = 20901888.

The previous prime is 22122391. The next prime is 22122409. The reversal of 22122403 is 30422122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22122403 - 2⁵ = 22122371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6883 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (2918650).

Almost surely, 2^22122403 is an apocalyptic number.

22122403 is a deficient number, since it is larger than the sum of its proper divisors (1226797).

22122403 is a wasteful number, since it uses less digits than its factorization.

22122403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22122403 is about 4703.4458644700. The cubic root of 22122403 is about 280.7226359370.

Adding to 22122403 its reverse (30422122), we get a palindrome (52544525).

The spelling of 22122403 in words is "twenty-two million, one hundred twenty-two thousand, four hundred three".