156822 has 16 divisors (see below), whose sum is σ = 319680. Its totient is φ = 51272.

The previous prime is 156817. The next prime is 156823. The reversal of 156822 is 228651.

It is a junction number, because it is equal to n+sod(n) for n = 156792 and 156801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156823) by changing a digit.

156822 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, 133 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (19980).

2¹⁵⁶⁸²² is an apocalyptic number.

156822 is an abundant number, since it is smaller than the sum of its proper divisors (162858).

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

156822 is a wasteful number, since it uses less digits than its factorization.

156822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its digits is 960, while the sum is 24.

The square root of 156822 is about 396.0075756851. The cubic root of 156822 is about 53.9265118329.

The spelling of 156822 in words is "one hundred fifty-six thousand, eight hundred twenty-two".