22131333241 has 2 divisors, whose sum is σ = 22131333242. Its totient is φ = 22131333240.

The previous prime is 22131333229. The next prime is 22131333293. The reversal of 22131333241 is 14233313122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15371040400 + 6760292841 = 123980^2 + 82221^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131333241 - 2¹³ = 22131325049 is a prime.

It is a super-2 number, since 2×22131333241² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22131334241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065666620 + 11065666621.

It is an arithmetic number, because the mean of its divisors is an integer number (11065666621).

Almost surely, 2^22131333241 is an apocalyptic number.

It is an amenable number.

22131333241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131333241 is an equidigital number, since it uses as much as digits as its factorization.

22131333241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 25.

Adding to 22131333241 its reverse (14233313122), we get a palindrome (36364646363).

The spelling of 22131333241 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred forty-one".