647368422 has 16 divisors (see below), whose sum is σ = 1302222960. Its totient is φ = 214541792.

The previous prime is 647368409. The next prime is 647368433. The reversal of 647368422 is 224863746.

647368422 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, 310797 + ... + 312872.

It is an arithmetic number, because the mean of its divisors is an integer number (81388935).

Almost surely, 2^647368422 is an apocalyptic number.

647368422 is an abundant number, since it is smaller than the sum of its proper divisors (654854538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647368422 is a wasteful number, since it uses less digits than its factorization.

647368422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623847.

The product of its digits is 387072, while the sum is 42.

The square root of 647368422 is about 25443.4357349789. The cubic root of 647368422 is about 865.0685109512.

The spelling of 647368422 in words is "six hundred forty-seven million, three hundred sixty-eight thousand, four hundred twenty-two".