7228163461 has 2 divisors, whose sum is σ = 7228163462. Its totient is φ = 7228163460.

The previous prime is 7228163419. The next prime is 7228163491. The reversal of 7228163461 is 1643618227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7185783361 + 42380100 = 84769^2 + 6510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7228163461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7228163491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614081730 + 3614081731.

It is an arithmetic number, because the mean of its divisors is an integer number (3614081731).

Almost surely, 2^7228163461 is an apocalyptic number.

It is an amenable number.

7228163461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228163461 is an equidigital number, since it uses as much as digits as its factorization.

7228163461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 7228163461 is about 85018.6065576236. The cubic root of 7228163461 is about 1933.4932271213.

The spelling of 7228163461 in words is "seven billion, two hundred twenty-eight million, one hundred sixty-three thousand, four hundred sixty-one".