9702229 has 2 divisors, whose sum is σ = 9702230. Its totient is φ = 9702228.

The previous prime is 9702197. The next prime is 9702239. The reversal of 9702229 is 9222079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 762129 = 2990^2 + 873^2 .

It is an emirp because it is prime and its reverse (9222079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9702229 - 2⁵ = 9702197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9702229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9702239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4851114 + 4851115.

It is an arithmetic number, because the mean of its divisors is an integer number (4851115).

Almost surely, 2^9702229 is an apocalyptic number.

It is an amenable number.

9702229 is a deficient number, since it is larger than the sum of its proper divisors (1).

9702229 is an equidigital number, since it uses as much as digits as its factorization.

9702229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9702229 is about 3114.8401243081. The cubic root of 9702229 is about 213.2834581214.

The spelling of 9702229 in words is "nine million, seven hundred two thousand, two hundred twenty-nine".