351822 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 116280.

The previous prime is 351811. The next prime is 351829. The reversal of 351822 is 228153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351829) by changing a digit.

351822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2³⁵¹⁸²² is an apocalyptic number.

351822 is an abundant number, since it is smaller than the sum of its proper divisors (357810).

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

351822 is a wasteful number, since it uses less digits than its factorization.

351822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

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

The square root of 351822 is about 593.1458505292. The cubic root of 351822 is about 70.5950631467.

Adding to 351822 its reverse (228153), we get a palindrome (579975).

The spelling of 351822 in words is "three hundred fifty-one thousand, eight hundred twenty-two".