2214344621 has 2 divisors, whose sum is σ = 2214344622. Its totient is φ = 2214344620.

The previous prime is 2214344617. The next prime is 2214344647. The reversal of 2214344621 is 1264434122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2196796900 + 17547721 = 46870^2 + 4189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214344621 - 2² = 2214344617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2214344651) 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, 1107172310 + 1107172311.

It is an arithmetic number, because the mean of its divisors is an integer number (1107172311).

Almost surely, 2^2214344621 is an apocalyptic number.

It is an amenable number.

2214344621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214344621 is an equidigital number, since it uses as much as digits as its factorization.

2214344621 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2214344621 is about 47056.8233203220. The cubic root of 2214344621 is about 1303.4120664116.

Adding to 2214344621 its reverse (1264434122), we get a palindrome (3478778743).

The spelling of 2214344621 in words is "two billion, two hundred fourteen million, three hundred forty-four thousand, six hundred twenty-one".