2222101993 has 2 divisors, whose sum is σ = 2222101994. Its totient is φ = 2222101992.

The previous prime is 2222101951. The next prime is 2222101997. The reversal of 2222101993 is 3991012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755023449 + 467078544 = 41893^2 + 21612^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222101993 - 2¹³ = 2222093801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222101997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111050996 + 1111050997.

It is an arithmetic number, because the mean of its divisors is an integer number (1111050997).

Almost surely, 2^2222101993 is an apocalyptic number.

It is an amenable number.

2222101993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222101993 is an equidigital number, since it uses as much as digits as its factorization.

2222101993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2222101993 is about 47139.1768383793. The cubic root of 2222101993 is about 1304.9323458906.

The spelling of 2222101993 in words is "two billion, two hundred twenty-two million, one hundred one thousand, nine hundred ninety-three".