7444224461 has 2 divisors, whose sum is σ = 7444224462. Its totient is φ = 7444224460.

The previous prime is 7444224451. The next prime is 7444224467. The reversal of 7444224461 is 1644224447.

7444224461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7380528100 + 63696361 = 85910^2 + 7981^2 .

It is an emirp because it is prime and its reverse (1644224447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7444224461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7444224467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722112230 + 3722112231.

It is an arithmetic number, because the mean of its divisors is an integer number (3722112231).

Almost surely, 2^7444224461 is an apocalyptic number.

It is an amenable number.

7444224461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7444224461 is an equidigital number, since it uses as much as digits as its factorization.

7444224461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172032, while the sum is 38.

The square root of 7444224461 is about 86279.9192222617. The cubic root of 7444224461 is about 1952.5694343527.

The spelling of 7444224461 in words is "seven billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred sixty-one".