103222993 has 2 divisors, whose sum is σ = 103222994. Its totient is φ = 103222992.

The previous prime is 103222979. The next prime is 103223017. The reversal of 103222993 is 399222301.

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., 98863249 + 4359744 = 9943^2 + 2088^2 .

It is an emirp because it is prime and its reverse (399222301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103222993 is a prime.

It is not a weakly prime, because it can be changed into another prime (103223993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51611496 + 51611497.

It is an arithmetic number, because the mean of its divisors is an integer number (51611497).

Almost surely, 2^103222993 is an apocalyptic number.

It is an amenable number.

103222993 is a deficient number, since it is larger than the sum of its proper divisors (1).

103222993 is an equidigital number, since it uses as much as digits as its factorization.

103222993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 103222993 is about 10159.8717019458. The cubic root of 103222993 is about 469.0928526248.

It can be divided in two parts, 1032 and 22993, that added together give a square (24025 = 155²).

The spelling of 103222993 in words is "one hundred three million, two hundred twenty-two thousand, nine hundred ninety-three".