22275326237 has 2 divisors, whose sum is σ = 22275326238. Its totient is φ = 22275326236.

The previous prime is 22275326221. The next prime is 22275326239. The reversal of 22275326237 is 73262357222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16980435481 + 5294890756 = 130309^2 + 72766^2 .

It is a cyclic number.

It is not a de Polignac number, because 22275326237 - 2⁴ = 22275326221 is a prime.

Together with 22275326239, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22275326194 and 22275326203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22275326239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137663118 + 11137663119.

It is an arithmetic number, because the mean of its divisors is an integer number (11137663119).

Almost surely, 2^22275326237 is an apocalyptic number.

It is an amenable number.

22275326237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22275326237 is an equidigital number, since it uses as much as digits as its factorization.

22275326237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 41.

The spelling of 22275326237 in words is "twenty-two billion, two hundred seventy-five million, three hundred twenty-six thousand, two hundred thirty-seven".