2210231993 has 2 divisors, whose sum is σ = 2210231994. Its totient is φ = 2210231992.

The previous prime is 2210231987. The next prime is 2210232041. The reversal of 2210231993 is 3991320122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2178275584 + 31956409 = 46672^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210231993 - 2²² = 2206037689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210231923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105115996 + 1105115997.

It is an arithmetic number, because the mean of its divisors is an integer number (1105115997).

Almost surely, 2^2210231993 is an apocalyptic number.

It is an amenable number.

2210231993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210231993 is an equidigital number, since it uses as much as digits as its factorization.

2210231993 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 32.

The square root of 2210231993 is about 47013.1044816230. The cubic root of 2210231993 is about 1302.6046384965.

The spelling of 2210231993 in words is "two billion, two hundred ten million, two hundred thirty-one thousand, nine hundred ninety-three".