22540432033 has 12 divisors (see below), whose sum is σ = 27124659540. Its totient is φ = 18654149472.

The previous prime is 22540431997. The next prime is 22540432043. The reversal of 22540432033 is 33023404522.

It can be written as a sum of positive squares in 2 ways, for example, as 16735820689 + 5804611344 = 129367^2 + 76188^2 .

It is not a de Polignac number, because 22540432033 - 2²¹ = 22538334881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22540431992 and 22540432010.

It is not an unprimeable number, because it can be changed into a prime (22540432043) 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, 7929766 + ... + 7932607.

It is an arithmetic number, because the mean of its divisors is an integer number (2260388295).

Almost surely, 2^22540432033 is an apocalyptic number.

It is an amenable number.

22540432033 is a deficient number, since it is larger than the sum of its proper divisors (4584227507).

22540432033 is a wasteful number, since it uses less digits than its factorization.

22540432033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862416 (or 15862409 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 22540432033 its reverse (33023404522), we get a palindrome (55563836555).

The spelling of 22540432033 in words is "twenty-two billion, five hundred forty million, four hundred thirty-two thousand, thirty-three".