2212303021 has 2 divisors, whose sum is σ = 2212303022. Its totient is φ = 2212303020.

The previous prime is 2212302997. The next prime is 2212303063. The reversal of 2212303021 is 1203032122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2142764100 + 69538921 = 46290^2 + 8339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212303021 - 2⁷ = 2212302893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212302986 and 2212303004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212373021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106151510 + 1106151511.

It is an arithmetic number, because the mean of its divisors is an integer number (1106151511).

Almost surely, 2^2212303021 is an apocalyptic number.

It is an amenable number.

2212303021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212303021 is an equidigital number, since it uses as much as digits as its factorization.

2212303021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2212303021 is about 47035.1253958146. The cubic root of 2212303021 is about 1303.0113663149.

Adding to 2212303021 its reverse (1203032122), we get a palindrome (3415335143).

The spelling of 2212303021 in words is "two billion, two hundred twelve million, three hundred three thousand, twenty-one".