100229993 has 2 divisors, whose sum is σ = 100229994. Its totient is φ = 100229992.

The previous prime is 100229989. The next prime is 100229999. The reversal of 100229993 is 399922001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63409369 + 36820624 = 7963^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 100229993 - 2² = 100229989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100229999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50114996 + 50114997.

It is an arithmetic number, because the mean of its divisors is an integer number (50114997).

Almost surely, 2^100229993 is an apocalyptic number.

It is an amenable number.

100229993 is a deficient number, since it is larger than the sum of its proper divisors (1).

100229993 is an equidigital number, since it uses as much as digits as its factorization.

100229993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 100229993 is about 10011.4930454953. The cubic root of 100229993 is about 464.5144552172.

The spelling of 100229993 in words is "one hundred million, two hundred twenty-nine thousand, nine hundred ninety-three".