83822 has 4 divisors (see below), whose sum is σ = 125736. Its totient is φ = 41910.

The previous prime is 83813. The next prime is 83833. The reversal of 83822 is 22838.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×83822² = 14052255368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20954 + ... + 20957.

It is an arithmetic number, because the mean of its divisors is an integer number (31434).

2⁸³⁸²² is an apocalyptic number.

83822 is a deficient number, since it is larger than the sum of its proper divisors (41914).

83822 is a wasteful number, since it uses less digits than its factorization.

83822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41913.

The product of its digits is 768, while the sum is 23.

The square root of 83822 is about 289.5202928984. The cubic root of 83822 is about 43.7642348237.

Adding to 83822 its sum of digits (23), we get a triangular number (83845 = T₄₀₉).

The spelling of 83822 in words is "eighty-three thousand, eight hundred twenty-two".