22011223403 has 4 divisors (see below), whose sum is σ = 23704394448. Its totient is φ = 20318052360.

The previous prime is 22011223363. The next prime is 22011223439. The reversal of 22011223403 is 30432211022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011223403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011228403) 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, 846585503 + ... + 846585528.

It is an arithmetic number, because the mean of its divisors is an integer number (5926098612).

Almost surely, 2^22011223403 is an apocalyptic number.

22011223403 is a deficient number, since it is larger than the sum of its proper divisors (1693171045).

22011223403 is a wasteful number, since it uses less digits than its factorization.

22011223403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693171044.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22011223403 its reverse (30432211022), we get a palindrome (52443434425).

The spelling of 22011223403 in words is "twenty-two billion, eleven million, two hundred twenty-three thousand, four hundred three".