641382282 has 12 divisors (see below), whose sum is σ = 1389661650. Its totient is φ = 213794088.

The previous prime is 641382253. The next prime is 641382293. The reversal of 641382282 is 282283146.

641382282 is a `hidden beast` number, since 641 + 3 + 8 + 2 + 2 + 8 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 500461641 + 140920641 = 22371^2 + 11871^2 .

It is a super-2 number, since 2×641382282² = 822742463327055048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17816157 + ... + 17816192.

Almost surely, 2^641382282 is an apocalyptic number.

641382282 is an abundant number, since it is smaller than the sum of its proper divisors (748279368).

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

641382282 is a wasteful number, since it uses less digits than its factorization.

641382282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35632357 (or 35632354 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 641382282 is about 25325.5262926558. The cubic root of 641382282 is about 862.3938541082.

The spelling of 641382282 in words is "six hundred forty-one million, three hundred eighty-two thousand, two hundred eighty-two".