422082581 has 8 divisors (see below), whose sum is σ = 426854400. Its totient is φ = 417336912.

The previous prime is 422082571. The next prime is 422082601. The reversal of 422082581 is 185280224.

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

It is a cyclic number.

It is not a de Polignac number, because 422082581 - 2¹⁰ = 422081557 is a prime.

It is a super-2 number, since 2×422082581² = 356307410367243122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422082541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26876 + ... + 39578.

It is an arithmetic number, because the mean of its divisors is an integer number (53356800).

Almost surely, 2^422082581 is an apocalyptic number.

It is an amenable number.

422082581 is a deficient number, since it is larger than the sum of its proper divisors (4771819).

422082581 is a wasteful number, since it uses less digits than its factorization.

422082581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 422082581 is about 20544.6484759414. The cubic root of 422082581 is about 750.1229907929.

The spelling of 422082581 in words is "four hundred twenty-two million, eighty-two thousand, five hundred eighty-one".