648226222 has 16 divisors (see below), whose sum is σ = 1119242880. Its totient is φ = 275811768.

The previous prime is 648226207. The next prime is 648226253. The reversal of 648226222 is 222622846.

648226222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164608 + ... + 168499.

It is an arithmetic number, because the mean of its divisors is an integer number (69952680).

Almost surely, 2^648226222 is an apocalyptic number.

648226222 is a deficient number, since it is larger than the sum of its proper divisors (471016658).

648226222 is a wasteful number, since it uses less digits than its factorization.

648226222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333255.

The product of its digits is 36864, while the sum is 34.

The square root of 648226222 is about 25460.2871547043. The cubic root of 648226222 is about 865.4504306480.

The spelling of 648226222 in words is "six hundred forty-eight million, two hundred twenty-six thousand, two hundred twenty-two".