7228163447 has 4 divisors (see below), whose sum is σ = 7260576960. Its totient is φ = 7195749936.

The previous prime is 7228163419. The next prime is 7228163461. The reversal of 7228163447 is 7443618227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7228163447 - 2²² = 7223969143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7228163398 and 7228163407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228163497) 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 in 3 ways as a sum of consecutive naturals, for example, 16206422 + ... + 16206867.

It is an arithmetic number, because the mean of its divisors is an integer number (1815144240).

Almost surely, 2^7228163447 is an apocalyptic number.

7228163447 is a deficient number, since it is larger than the sum of its proper divisors (32413513).

7228163447 is a wasteful number, since it uses less digits than its factorization.

7228163447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32413512.

The product of its digits is 451584, while the sum is 44.

The square root of 7228163447 is about 85018.6064752887. The cubic root of 7228163447 is about 1933.4932258730.

The spelling of 7228163447 in words is "seven billion, two hundred twenty-eight million, one hundred sixty-three thousand, four hundred forty-seven".