193224137 has 2 divisors, whose sum is σ = 193224138. Its totient is φ = 193224136.

The previous prime is 193224121. The next prime is 193224151. The reversal of 193224137 is 731422391.

193224137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98823481 + 94400656 = 9941^2 + 9716^2 .

It is a cyclic number.

It is not a de Polignac number, because 193224137 - 2⁴ = 193224121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (193224037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96612068 + 96612069.

It is an arithmetic number, because the mean of its divisors is an integer number (96612069).

Almost surely, 2^193224137 is an apocalyptic number.

It is an amenable number.

193224137 is a deficient number, since it is larger than the sum of its proper divisors (1).

193224137 is an equidigital number, since it uses as much as digits as its factorization.

193224137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 193224137 is about 13900.5085158781. The cubic root of 193224137 is about 578.1232810156.

The spelling of 193224137 in words is "one hundred ninety-three million, two hundred twenty-four thousand, one hundred thirty-seven".