531446228 has 12 divisors (see below), whose sum is σ = 962101140. Its totient is φ = 256560192.

The previous prime is 531446221. The next prime is 531446233. The reversal of 531446228 is 822644135.

It can be written as a sum of positive squares in 2 ways, for example, as 230493124 + 300953104 = 15182^2 + 17348^2 .

It is a super-3 number, since 3×531446228³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531446221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290601 + ... + 2290832.

It is an arithmetic number, because the mean of its divisors is an integer number (80175095).

Almost surely, 2^531446228 is an apocalyptic number.

531446228 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

531446228 is a deficient number, since it is larger than the sum of its proper divisors (430654912).

531446228 is a wasteful number, since it uses less digits than its factorization.

531446228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581466 (or 4581464 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 531446228 is about 23053.1175332101. The cubic root of 531446228 is about 810.0026560905.

The spelling of 531446228 in words is "five hundred thirty-one million, four hundred forty-six thousand, two hundred twenty-eight".