22755322237 has 2 divisors, whose sum is σ = 22755322238. Its totient is φ = 22755322236.

The previous prime is 22755322231. The next prime is 22755322253. The reversal of 22755322237 is 73222355722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13681045156 + 9074277081 = 116966^2 + 95259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22755322237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22755322237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22755322231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11377661118 + 11377661119.

It is an arithmetic number, because the mean of its divisors is an integer number (11377661119).

Almost surely, 2^22755322237 is an apocalyptic number.

It is an amenable number.

22755322237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22755322237 is an equidigital number, since it uses as much as digits as its factorization.

22755322237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 40.

Adding to 22755322237 its reverse (73222355722), we get a palindrome (95977677959).

The spelling of 22755322237 in words is "twenty-two billion, seven hundred fifty-five million, three hundred twenty-two thousand, two hundred thirty-seven".