993280229 has 2 divisors, whose sum is σ = 993280230. Its totient is φ = 993280228.

The previous prime is 993280219. The next prime is 993280279. The reversal of 993280229 is 922082399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932080900 + 61199329 = 30530^2 + 7823^2 .

It is a cyclic number.

It is not a de Polignac number, because 993280229 - 2¹² = 993276133 is a prime.

It is a super-2 number, since 2×993280229² = 1973211226644584882, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 993280229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993280219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496640114 + 496640115.

It is an arithmetic number, because the mean of its divisors is an integer number (496640115).

Almost surely, 2^993280229 is an apocalyptic number.

It is an amenable number.

993280229 is a deficient number, since it is larger than the sum of its proper divisors (1).

993280229 is an equidigital number, since it uses as much as digits as its factorization.

993280229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 993280229 is about 31516.3485987828. The cubic root of 993280229 is about 997.7550402605.

The spelling of 993280229 in words is "nine hundred ninety-three million, two hundred eighty thousand, two hundred twenty-nine".