153822 has 16 divisors (see below), whose sum is σ = 317952. Its totient is φ = 49560.

The previous prime is 153817. The next prime is 153841. The reversal of 153822 is 228351.

It is a super-2 number, since 2×153822² = 47322415368, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

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, 228 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (19872).

2¹⁵³⁸²² is an apocalyptic number.

153822 is an abundant number, since it is smaller than the sum of its proper divisors (164130).

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

153822 is a wasteful number, since it uses less digits than its factorization.

153822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 480, while the sum is 21.

The square root of 153822 is about 392.2014788345. The cubic root of 153822 is about 53.5804246480.

Subtracting 153822 from its reverse (228351), we obtain a square (74529 = 273²).

The spelling of 153822 in words is "one hundred fifty-three thousand, eight hundred twenty-two".