215224505232252 has 24 divisors (see below), whose sum is σ = 502190786974800. Its totient is φ = 71741462491776.

The previous prime is 215224505232181. The next prime is 215224505232263. The reversal of 215224505232252 is 252232505422512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25454574 + ... + 32838762.

It is an arithmetic number, because the mean of its divisors is an integer number (20924616123950).

Almost surely, 2^{215224505232252} is an apocalyptic number.

It is an amenable number.

215224505232252 is an abundant number, since it is smaller than the sum of its proper divisors (286966281742548).

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

215224505232252 is a wasteful number, since it uses less digits than its factorization.

215224505232252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813085 (or 9813083 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 215224505232252 in words is "two hundred fifteen trillion, two hundred twenty-four billion, five hundred five million, two hundred thirty-two thousand, two hundred fifty-two".