22240221137 has 2 divisors, whose sum is σ = 22240221138. Its totient is φ = 22240221136.

The previous prime is 22240221067. The next prime is 22240221161. The reversal of 22240221137 is 73112204222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21994076416 + 246144721 = 148304^2 + 15689^2 .

It is a cyclic number.

It is not a de Polignac number, because 22240221137 - 2²⁸ = 21971785681 is a prime.

It is not a weakly prime, because it can be changed into another prime (22240221167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120110568 + 11120110569.

It is an arithmetic number, because the mean of its divisors is an integer number (11120110569).

Almost surely, 2^22240221137 is an apocalyptic number.

It is an amenable number.

22240221137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240221137 is an equidigital number, since it uses as much as digits as its factorization.

22240221137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 22240221137 its reverse (73112204222), we get a palindrome (95352425359).

The spelling of 22240221137 in words is "twenty-two billion, two hundred forty million, two hundred twenty-one thousand, one hundred thirty-seven".