7224141989 has 2 divisors, whose sum is σ = 7224141990. Its totient is φ = 7224141988.

The previous prime is 7224141971. The next prime is 7224142001. The reversal of 7224141989 is 9891414227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5839557889 + 1384584100 = 76417^2 + 37210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7224141989 is a prime.

It is a super-4 number, since 4×7224141989⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7224141919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612070994 + 3612070995.

It is an arithmetic number, because the mean of its divisors is an integer number (3612070995).

Almost surely, 2^7224141989 is an apocalyptic number.

It is an amenable number.

7224141989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224141989 is an equidigital number, since it uses as much as digits as its factorization.

7224141989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 7224141989 is about 84994.9527266178. The cubic root of 7224141989 is about 1933.1345868592.

The spelling of 7224141989 in words is "seven billion, two hundred twenty-four million, one hundred forty-one thousand, nine hundred eighty-nine".