22224222403 has 4 divisors (see below), whose sum is σ = 22643547408. Its totient is φ = 21804897400.

The previous prime is 22224222389. The next prime is 22224222421. The reversal of 22224222403 is 30422242222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30422242222 = 2 ⋅15211121111.

It is a cyclic number.

It is not a de Polignac number, because 22224222403 - 2²¹ = 22222125251 is a prime.

It is a super-2 number, since 2×22224222403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22224222463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209662423 + ... + 209662528.

It is an arithmetic number, because the mean of its divisors is an integer number (5660886852).

Almost surely, 2^22224222403 is an apocalyptic number.

22224222403 is a deficient number, since it is larger than the sum of its proper divisors (419325005).

22224222403 is an equidigital number, since it uses as much as digits as its factorization.

22224222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419325004.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22224222403 its reverse (30422242222), we get a palindrome (52646464625).

The spelling of 22224222403 in words is "twenty-two billion, two hundred twenty-four million, two hundred twenty-two thousand, four hundred three".