63822 has 16 divisors (see below), whose sum is σ = 139392. Its totient is φ = 19320.

The previous prime is 63809. The next prime is 63823. The reversal of 63822 is 22836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63823) by changing a digit.

63822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 549.

It is an arithmetic number, because the mean of its divisors is an integer number (8712).

2⁶³⁸²² is an apocalyptic number.

63822 is an abundant number, since it is smaller than the sum of its proper divisors (75570).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69696).

63822 is a wasteful number, since it uses less digits than its factorization.

63822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its digits is 576, while the sum is 21.

The square root of 63822 is about 252.6301644697. The cubic root of 63822 is about 39.9628822341.

It can be divided in two parts, 6 and 3822, that added together give a triangular number (3828 = T₈₇).

The spelling of 63822 in words is "sixty-three thousand, eight hundred twenty-two".