71362229 has 2 divisors, whose sum is σ = 71362230. Its totient is φ = 71362228.

The previous prime is 71362163. The next prime is 71362331. The reversal of 71362229 is 92226317.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 1188100 = 8377^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71362229 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71362195 and 71362204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71364229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35681114 + 35681115.

It is an arithmetic number, because the mean of its divisors is an integer number (35681115).

Almost surely, 2^71362229 is an apocalyptic number.

It is an amenable number.

71362229 is a deficient number, since it is larger than the sum of its proper divisors (1).

71362229 is an equidigital number, since it uses as much as digits as its factorization.

71362229 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 71362229 is about 8447.6167645082. The cubic root of 71362229 is about 414.7847705752.

The spelling of 71362229 in words is "seventy-one million, three hundred sixty-two thousand, two hundred twenty-nine".