357228 has 18 divisors (see below), whose sum is σ = 903084. Its totient is φ = 119064.

The previous prime is 357211. The next prime is 357229. The reversal of 357228 is 822753.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×357228² = 255223687968, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 11.

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

357228 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 5 ways as a sum of consecutive naturals, for example, 4926 + ... + 4997.

2³⁵⁷²²⁸ is an apocalyptic number.

It is an amenable number.

357228 is an abundant number, since it is smaller than the sum of its proper divisors (545856).

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

357228 is a wasteful number, since it uses less digits than its factorization.

357228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933 (or 9928 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 357228 is about 597.6855360472. The cubic root of 357228 is about 70.9548082446.

It can be divided in two parts, 3572 and 28, that added together give a square (3600 = 60²).

The spelling of 357228 in words is "three hundred fifty-seven thousand, two hundred twenty-eight".