22031344733 has 2 divisors, whose sum is σ = 22031344734. Its totient is φ = 22031344732.

The previous prime is 22031344681. The next prime is 22031344763. The reversal of 22031344733 is 33744313022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15866425444 + 6164919289 = 125962^2 + 78517^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031344733 - 2⁶ = 22031344669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22031344733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031344763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015672366 + 11015672367.

It is an arithmetic number, because the mean of its divisors is an integer number (11015672367).

Almost surely, 2^22031344733 is an apocalyptic number.

It is an amenable number.

22031344733 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031344733 is an equidigital number, since it uses as much as digits as its factorization.

22031344733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 22031344733 its reverse (33744313022), we get a palindrome (55775657755).

The spelling of 22031344733 in words is "twenty-two billion, thirty-one million, three hundred forty-four thousand, seven hundred thirty-three".