21822368003 has 4 divisors (see below), whose sum is σ = 21899479128. Its totient is φ = 21745256880.

The previous prime is 21822367993. The next prime is 21822368027. The reversal of 21822368003 is 30086322812.

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

It is a cyclic number.

It is not a de Polignac number, because 21822368003 - 2²⁰ = 21821319427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21822368803) 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, 38555138 + ... + 38555703.

It is an arithmetic number, because the mean of its divisors is an integer number (5474869782).

Almost surely, 2^21822368003 is an apocalyptic number.

21822368003 is a deficient number, since it is larger than the sum of its proper divisors (77111125).

21822368003 is an equidigital number, since it uses as much as digits as its factorization.

21822368003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77111124.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 21822368003 in words is "twenty-one billion, eight hundred twenty-two million, three hundred sixty-eight thousand, three".