22001220003 has 8 divisors (see below), whose sum is σ = 33525668608. Its totient is φ = 12572125704.

The previous prime is 22001220001. The next prime is 22001220037. The reversal of 22001220003 is 30002210022.

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

It is not a de Polignac number, because 22001220003 - 2¹ = 22001220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523838551 + ... + 523838592.

It is an arithmetic number, because the mean of its divisors is an integer number (4190708576).

Almost surely, 2^22001220003 is an apocalyptic number.

22001220003 is a deficient number, since it is larger than the sum of its proper divisors (11524448605).

22001220003 is a wasteful number, since it uses less digits than its factorization.

22001220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047677153.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22001220003 its reverse (30002210022), we get a palindrome (52003430025).

The spelling of 22001220003 in words is "twenty-two billion, one million, two hundred twenty thousand, three".