357222 has 16 divisors (see below), whose sum is σ = 739440. Its totient is φ = 114912.

The previous prime is 357211. The next prime is 357229. The reversal of 357222 is 222753.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357229) by changing a digit.

357222 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, 853 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (46215).

2³⁵⁷²²² is an apocalyptic number.

357222 is an abundant number, since it is smaller than the sum of its proper divisors (382218).

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

357222 is a wasteful number, since it uses less digits than its factorization.

357222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its digits is 840, while the sum is 21.

The square root of 357222 is about 597.6805166642. The cubic root of 357222 is about 70.9544109902.

Adding to 357222 its reverse (222753), we get a palindrome (579975).

The spelling of 357222 in words is "three hundred fifty-seven thousand, two hundred twenty-two".