22001000133 has 32 divisors (see below), whose sum is σ = 34712616960. Its totient is φ = 12127550400.

The previous prime is 22001000123. The next prime is 22001000171. The reversal of 22001000133 is 33100010022.

It is a happy number.

It is not a de Polignac number, because 22001000133 - 2¹⁰ = 22000999109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001000123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685266 + ... + 716652.

It is an arithmetic number, because the mean of its divisors is an integer number (1084769280).

Almost surely, 2^22001000133 is an apocalyptic number.

It is an amenable number.

22001000133 is a deficient number, since it is larger than the sum of its proper divisors (12711616827).

22001000133 is a wasteful number, since it uses less digits than its factorization.

22001000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32577.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 22001000133 its reverse (33100010022), we get a palindrome (55101010155).

The spelling of 22001000133 in words is "twenty-two billion, one million, one hundred thirty-three", and thus it is an aban number.