2246264021 has 2 divisors, whose sum is σ = 2246264022. Its totient is φ = 2246264020.

The previous prime is 2246263979. The next prime is 2246264023. The reversal of 2246264021 is 1204626422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844702500 + 401561521 = 42950^2 + 20039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246264021 - 2¹⁴ = 2246247637 is a prime.

It is a Sophie Germain prime.

Together with 2246264023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246264023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123132010 + 1123132011.

It is an arithmetic number, because the mean of its divisors is an integer number (1123132011).

Almost surely, 2^2246264021 is an apocalyptic number.

It is an amenable number.

2246264021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246264021 is an equidigital number, since it uses as much as digits as its factorization.

2246264021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2246264021 is about 47394.7678652401. The cubic root of 2246264021 is about 1309.6450334790.

The spelling of 2246264021 in words is "two billion, two hundred forty-six million, two hundred sixty-four thousand, twenty-one".