506056228722 has 90 divisors (see below), whose sum is σ = 1246643102397. Its totient is φ = 153320191200.

The previous prime is 506056228709. The next prime is 506056228729. The reversal of 506056228722 is 227822650605.

506056228722 is a `hidden beast` number, since 5 + 0 + 6 + 0 + 562 + 2 + 87 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 427060943001 + 78995285721 = 653499^2 + 281061^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=503019.

It is not an unprimeable number, because it can be changed into a prime (506056228729) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 99595222 + ... + 99600302.

Almost surely, 2^506056228722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 506056228722

506056228722 is an abundant number, since it is smaller than the sum of its proper divisors (740586873675).

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

506056228722 is an frugal number, since it uses more digits than its factorization.

506056228722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 506056228722 in words is "five hundred six billion, fifty-six million, two hundred twenty-eight thousand, seven hundred twenty-two".