52222009842 has 54 divisors (see below), whose sum is σ = 115163398701. Its totient is φ = 17102579760.

The previous prime is 52222009823. The next prime is 52222009867. The reversal of 52222009842 is 24890022225.

52222009842 is a `hidden beast` number, since 522 + 2 + 2 + 0 + 0 + 98 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35373710241 + 16848299601 = 188079^2 + 129801^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161589.

It is a junction number, because it is equal to n+sod(n) for n = 52222009797 and 52222009806.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 59141133 + ... + 59142015.

Almost surely, 2^52222009842 is an apocalyptic number.

52222009842 is an abundant number, since it is smaller than the sum of its proper divisors (62941388859).

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

52222009842 is an frugal number, since it uses more digits than its factorization.

52222009842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 949 counting only the distinct ones).

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

The spelling of 52222009842 in words is "fifty-two billion, two hundred twenty-two million, nine thousand, eight hundred forty-two".