22255222037 has 2 divisors, whose sum is σ = 22255222038. Its totient is φ = 22255222036.

The previous prime is 22255222007. The next prime is 22255222043. The reversal of 22255222037 is 73022255222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20298840676 + 1956381361 = 142474^2 + 44231^2 .

It is a cyclic number.

It is not a de Polignac number, because 22255222037 - 2¹⁴ = 22255205653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22255221994 and 22255222012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22255222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127611018 + 11127611019.

It is an arithmetic number, because the mean of its divisors is an integer number (11127611019).

Almost surely, 2^22255222037 is an apocalyptic number.

It is an amenable number.

22255222037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22255222037 is an equidigital number, since it uses as much as digits as its factorization.

22255222037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 32.

Adding to 22255222037 its reverse (73022255222), we get a palindrome (95277477259).

The spelling of 22255222037 in words is "twenty-two billion, two hundred fifty-five million, two hundred twenty-two thousand, thirty-seven".