830422581 has 16 divisors (see below), whose sum is σ = 1127040000. Its totient is φ = 543727728.

The previous prime is 830422577. The next prime is 830422583. The reversal of 830422581 is 185224038.

It is not a de Polignac number, because 830422581 - 2² = 830422577 is a prime.

It is a super-2 number, since 2×830422581² = 1379203326069403122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830422583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352650 + ... + 354996.

It is an arithmetic number, because the mean of its divisors is an integer number (70440000).

Almost surely, 2^830422581 is an apocalyptic number.

It is an amenable number.

830422581 is a deficient number, since it is larger than the sum of its proper divisors (296617419).

830422581 is a wasteful number, since it uses less digits than its factorization.

830422581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 830422581 is about 28817.0536488379. The cubic root of 830422581 is about 939.9391016078.

The spelling of 830422581 in words is "eight hundred thirty million, four hundred twenty-two thousand, five hundred eighty-one".