522924012 has 240 divisors, whose sum is σ = 1596561120. Its totient is φ = 147806208.

The previous prime is 522924011. The next prime is 522924013. The reversal of 522924012 is 210429225.

It is a happy number.

522924012 is a `hidden beast` number, since 522 + 92 + 40 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (522924011) and next prime (522924013).

It is a super-2 number, since 2×522924012² = 546899044652352288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (522924011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4797414 + ... + 4797522.

It is an arithmetic number, because the mean of its divisors is an integer number (6652338).

Almost surely, 2^522924012 is an apocalyptic number.

522924012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522924012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798280560).

522924012 is an abundant number, since it is smaller than the sum of its proper divisors (1073637108).

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

522924012 is a wasteful number, since it uses less digits than its factorization.

522924012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 522924012 is about 22867.5318300861. The cubic root of 522924012 is about 805.6495982148.

It can be divided in two parts, 5229 and 24012, that added together give a square (29241 = 171²).

The spelling of 522924012 in words is "five hundred twenty-two million, nine hundred twenty-four thousand, twelve".