834222438 has 72 divisors (see below), whose sum is σ = 2106297648. Its totient is φ = 233752896.

The previous prime is 834222421. The next prime is 834222457.

It is a happy number.

834222438 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 352756 + ... + 355112.

It is an arithmetic number, because the mean of its divisors is an integer number (29254134).

Almost surely, 2^834222438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834222438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053148824).

834222438 is an abundant number, since it is smaller than the sum of its proper divisors (1272075210).

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

834222438 is a wasteful number, since it uses less digits than its factorization.

834222438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2422 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 834222438 is about 28882.9090986348. The cubic root of 834222438 is about 941.3705817381.

The spelling of 834222438 in words is "eight hundred thirty-four million, two hundred twenty-two thousand, four hundred thirty-eight".