834221530 has 8 divisors (see below), whose sum is σ = 1501598772. Its totient is φ = 333688608.

The previous prime is 834221513. The next prime is 834221551. The reversal of 834221530 is 35122438.

It can be written as a sum of positive squares in 2 ways, for example, as 784392049 + 49829481 = 28007^2 + 7059^2 .

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

It is a super-2 number, since 2×834221530² = 1391851122231081800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41711067 + ... + 41711086.

Almost surely, 2^834221530 is an apocalyptic number.

834221530 is a deficient number, since it is larger than the sum of its proper divisors (667377242).

834221530 is a wasteful number, since it uses less digits than its factorization.

834221530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83422160.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 834221530 is about 28882.8933799922. The cubic root of 834221530 is about 941.3702401966.

Adding to 834221530 its reverse (35122438), we get a palindrome (869343968).

The spelling of 834221530 in words is "eight hundred thirty-four million, two hundred twenty-one thousand, five hundred thirty".