215533934228 has 12 divisors (see below), whose sum is σ = 377219872512. Its totient is φ = 107756827800.

The previous prime is 215533934227. The next prime is 215533934243. The reversal of 215533934228 is 822439335512.

215533934228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215533934227) 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 3 ways as a sum of consecutive naturals, for example, 2486900 + ... + 2572107.

It is an arithmetic number, because the mean of its divisors is an integer number (31434989376).

Almost surely, 2^215533934228 is an apocalyptic number.

It is an amenable number.

215533934228 is a deficient number, since it is larger than the sum of its proper divisors (161685938284).

215533934228 is a wasteful number, since it uses less digits than its factorization.

215533934228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069662 (or 5069660 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 215533934228 in words is "two hundred fifteen billion, five hundred thirty-three million, nine hundred thirty-four thousand, two hundred twenty-eight".