22000312033 has 12 divisors (see below), whose sum is σ = 25562184960. Its totient is φ = 18548250480.

The previous prime is 22000312027. The next prime is 22000312069. The reversal of 22000312033 is 33021300022.

It is not a de Polignac number, because 22000312033 - 2⁹ = 22000311521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000311998 and 22000312016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000342033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396273 + ... + 448366.

It is an arithmetic number, because the mean of its divisors is an integer number (2130182080).

Almost surely, 2^22000312033 is an apocalyptic number.

It is an amenable number.

22000312033 is a deficient number, since it is larger than the sum of its proper divisors (3561872927).

22000312033 is an frugal number, since it uses more digits than its factorization.

22000312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844768 (or 844707 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 22000312033 its reverse (33021300022), we get a palindrome (55021612055).

The spelling of 22000312033 in words is "twenty-two billion, three hundred twelve thousand, thirty-three".