524661228 has 216 divisors, whose sum is σ = 1683575712. Its totient is φ = 136539648.

The previous prime is 524661227. The next prime is 524661229. The reversal of 524661228 is 822166425.

It is a happy number.

524661228 is a `hidden beast` number, since 524 + 6 + 6 + 122 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (524661227) and next prime (524661229).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 524661192 and 524661201.

It is not an unprimeable number, because it can be changed into a prime (524661227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3141601 + ... + 3141767.

It is an arithmetic number, because the mean of its divisors is an integer number (7794332).

Almost surely, 2^524661228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524661228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841787856).

524661228 is an abundant number, since it is smaller than the sum of its proper divisors (1158914484).

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

524661228 is a wasteful number, since it uses less digits than its factorization.

524661228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 329 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 524661228 is about 22905.4846707071. The cubic root of 524661228 is about 806.5407668033.

The spelling of 524661228 in words is "five hundred twenty-four million, six hundred sixty-one thousand, two hundred twenty-eight".