22040204533 has 2 divisors, whose sum is σ = 22040204534. Its totient is φ = 22040204532.

The previous prime is 22040204519. The next prime is 22040204561. The reversal of 22040204533 is 33540204022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13309544689 + 8730659844 = 115367^2 + 93438^2 .

It is a cyclic number.

It is not a de Polignac number, because 22040204533 - 2²⁵ = 22006650101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22040204498 and 22040204507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22040204033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020102266 + 11020102267.

It is an arithmetic number, because the mean of its divisors is an integer number (11020102267).

Almost surely, 2^22040204533 is an apocalyptic number.

It is an amenable number.

22040204533 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040204533 is an equidigital number, since it uses as much as digits as its factorization.

22040204533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 22040204533 its reverse (33540204022), we get a palindrome (55580408555).

The spelling of 22040204533 in words is "twenty-two billion, forty million, two hundred four thousand, five hundred thirty-three".