834222540 has 24 divisors (see below), whose sum is σ = 2335823280. Its totient is φ = 222459328.

The previous prime is 834222533. The next prime is 834222577. The reversal of 834222540 is 45222438.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 834222498 and 834222507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6951795 + ... + 6951914.

It is an arithmetic number, because the mean of its divisors is an integer number (97325970).

Almost surely, 2^834222540 is an apocalyptic number.

It is an amenable number.

834222540 is an abundant number, since it is smaller than the sum of its proper divisors (1501600740).

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

834222540 is a wasteful number, since it uses less digits than its factorization.

834222540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903721 (or 13903719 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 834222540 is about 28882.9108643848. The cubic root of 834222540 is about 941.3706201051.

Adding to 834222540 its reverse (45222438), we get a palindrome (879444978).

The spelling of 834222540 in words is "eight hundred thirty-four million, two hundred twenty-two thousand, five hundred forty".