646360422 has 8 divisors (see below), whose sum is σ = 1292720856. Its totient is φ = 215453472.

The previous prime is 646360409. The next prime is 646360423. The reversal of 646360422 is 224063646.

646360422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

646360422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646360423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53863363 + ... + 53863374.

It is an arithmetic number, because the mean of its divisors is an integer number (161590107).

Almost surely, 2^646360422 is an apocalyptic number.

646360422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

646360422 is a wasteful number, since it uses less digits than its factorization.

646360422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107726742.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 646360422 is about 25423.6193725441. The cubic root of 646360422 is about 864.6192860560.

The spelling of 646360422 in words is "six hundred forty-six million, three hundred sixty thousand, four hundred twenty-two".