22400044003 has 4 divisors (see below), whose sum is σ = 22404879360. Its totient is φ = 22395208648.

The previous prime is 22400044001. The next prime is 22400044021. The reversal of 22400044003 is 30044000422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30044000422 = 2 ⋅15022000211.

It is a cyclic number.

It is not a de Polignac number, because 22400044003 - 2¹ = 22400044001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400044001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410723 + ... + 2419996.

It is an arithmetic number, because the mean of its divisors is an integer number (5601219840).

Almost surely, 2^22400044003 is an apocalyptic number.

22400044003 is a deficient number, since it is larger than the sum of its proper divisors (4835357).

22400044003 is an equidigital number, since it uses as much as digits as its factorization.

22400044003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835356.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22400044003 its reverse (30044000422), we get a palindrome (52444044425).

The spelling of 22400044003 in words is "twenty-two billion, four hundred million, forty-four thousand, three".