537228 has 18 divisors (see below), whose sum is σ = 1358084. Its totient is φ = 179064.

The previous prime is 537221. The next prime is 537233. The reversal of 537228 is 822735.

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

It is a super-2 number, since 2×537228² = 577227847968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7426 + ... + 7497.

2⁵³⁷²²⁸ is an apocalyptic number.

It is an amenable number.

537228 is an abundant number, since it is smaller than the sum of its proper divisors (820856).

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

537228 is a wasteful number, since it uses less digits than its factorization.

537228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933 (or 14928 counting only the distinct ones).

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

The square root of 537228 is about 732.9583889963. The cubic root of 537228 is about 81.2929492848.

The spelling of 537228 in words is "five hundred thirty-seven thousand, two hundred twenty-eight".