646361022 has 8 divisors (see below), whose sum is σ = 1292722056. Its totient is φ = 215453672.

The previous prime is 646360991. The next prime is 646361041. The reversal of 646361022 is 220163646.

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

646361022 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53863413 + ... + 53863424.

It is an arithmetic number, because the mean of its divisors is an integer number (161590257).

Almost surely, 2^646361022 is an apocalyptic number.

646361022 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.

646361022 is a wasteful number, since it uses less digits than its factorization.

646361022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107726842.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 646361022 is about 25423.6311725922. The cubic root of 646361022 is about 864.6195535907.

The spelling of 646361022 in words is "six hundred forty-six million, three hundred sixty-one thousand, twenty-two".