2266310021 has 4 divisors (see below), whose sum is σ = 2266412544. Its totient is φ = 2266207500.

The previous prime is 2266309999. The next prime is 2266310023. The reversal of 2266310021 is 1200136622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2266310021 - 2¹⁴ = 2266293637 is a prime.

It is a super-2 number, since 2×2266310021² = 10272322222570040882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266310023) 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 in 3 ways as a sum of consecutive naturals, for example, 2885 + ... + 67386.

It is an arithmetic number, because the mean of its divisors is an integer number (566603136).

Almost surely, 2^2266310021 is an apocalyptic number.

It is an amenable number.

2266310021 is a deficient number, since it is larger than the sum of its proper divisors (102523).

2266310021 is an equidigital number, since it uses as much as digits as its factorization.

2266310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102522.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2266310021 is about 47605.7771809263. Note that the first 3 decimals coincide. The cubic root of 2266310021 is about 1313.5293251025.

Adding to 2266310021 its reverse (1200136622), we get a palindrome (3466446643).

The spelling of 2266310021 in words is "two billion, two hundred sixty-six million, three hundred ten thousand, twenty-one".