8028218522 has 4 divisors (see below), whose sum is σ = 12042327786. Its totient is φ = 4014109260.

The previous prime is 8028218437. The next prime is 8028218531. The reversal of 8028218522 is 2258128208.

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

It can be written as a sum of positive squares in only one way, i.e., 7807666321 + 220552201 = 88361^2 + 14851^2 .

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 as a sum of consecutive naturals, namely, 2007054629 + ... + 2007054632.

Almost surely, 2^8028218522 is an apocalyptic number.

8028218522 is a deficient number, since it is larger than the sum of its proper divisors (4014109264).

8028218522 is a wasteful number, since it uses less digits than its factorization.

8028218522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014109263.

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 8028218522 is about 89600.3265730656. The cubic root of 8028218522 is about 2002.3487840270.

The spelling of 8028218522 in words is "eight billion, twenty-eight million, two hundred eighteen thousand, five hundred twenty-two".