648028822 has 12 divisors (see below), whose sum is σ = 1130744340. Its totient is φ = 277726596.

The previous prime is 648028819. The next prime is 648028837. The reversal of 648028822 is 228820846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3306172 + ... + 3306367.

It is an arithmetic number, because the mean of its divisors is an integer number (94228695).

Almost surely, 2^648028822 is an apocalyptic number.

648028822 is a deficient number, since it is larger than the sum of its proper divisors (482715518).

648028822 is a wasteful number, since it uses less digits than its factorization.

648028822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612555 (or 6612548 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 648028822 is about 25456.4102339666. The cubic root of 648028822 is about 865.3625717835.

The spelling of 648028822 in words is "six hundred forty-eight million, twenty-eight thousand, eight hundred twenty-two".