22241143997 has 2 divisors, whose sum is σ = 22241143998. Its totient is φ = 22241143996.

The previous prime is 22241143949. The next prime is 22241143999. The reversal of 22241143997 is 79934114222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14216746756 + 8024397241 = 119234^2 + 89579^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241143997 - 2⁶ = 22241143933 is a prime.

Together with 22241143999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22241143999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120571998 + 11120571999.

It is an arithmetic number, because the mean of its divisors is an integer number (11120571999).

Almost surely, 2^22241143997 is an apocalyptic number.

It is an amenable number.

22241143997 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241143997 is an equidigital number, since it uses as much as digits as its factorization.

22241143997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The spelling of 22241143997 in words is "twenty-two billion, two hundred forty-one million, one hundred forty-three thousand, nine hundred ninety-seven".