5728219226 has 8 divisors (see below), whose sum is σ = 8602696020. Its totient is φ = 2860653888.

The previous prime is 5728219201. The next prime is 5728219249. The reversal of 5728219226 is 6229128275.

It is a Cunningham number, because it is equal to 75685²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 5728219225 + 1 = 75685^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5728219226² = 65624991002232078152, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725791 + ... + 1729106.

Almost surely, 2^5728219226 is an apocalyptic number.

5728219226 is a deficient number, since it is larger than the sum of its proper divisors (2874476794).

5728219226 is a wasteful number, since it uses less digits than its factorization.

5728219226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455728.

The product of its digits is 241920, while the sum is 44.

The square root of 5728219226 is about 75685.0000066063. Note that the first 5 decimals coincide. The cubic root of 5728219226 is about 1789.2589991818.

The spelling of 5728219226 in words is "five billion, seven hundred twenty-eight million, two hundred nineteen thousand, two hundred twenty-six".