83291022 has 48 divisors (see below), whose sum is σ = 190944000. Its totient is φ = 26166672.

The previous prime is 83290969. The next prime is 83291051. The reversal of 83291022 is 22019238.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 81229 + ... + 82247.

It is an arithmetic number, because the mean of its divisors is an integer number (3978000).

Almost surely, 2^83291022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83291022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95472000).

83291022 is an abundant number, since it is smaller than the sum of its proper divisors (107652978).

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

83291022 is a wasteful number, since it uses less digits than its factorization.

83291022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 83291022 is about 9126.3915103397. The cubic root of 83291022 is about 436.7162951447.

The spelling of 83291022 in words is "eighty-three million, two hundred ninety-one thousand, twenty-two".