216422054202 has 32 divisors (see below), whose sum is σ = 439542417600. Its totient is φ = 71027763840.

The previous prime is 216422054153. The next prime is 216422054231. The reversal of 216422054202 is 202450224612.

216422054202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216422054202.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 182577 + ... + 682772.

It is an arithmetic number, because the mean of its divisors is an integer number (13735700550).

Almost surely, 2^216422054202 is an apocalyptic number.

216422054202 is an abundant number, since it is smaller than the sum of its proper divisors (223120363398).

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

216422054202 is a wasteful number, since it uses less digits than its factorization.

216422054202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865998.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 216422054202 its reverse (202450224612), we get a palindrome (418872278814).

The spelling of 216422054202 in words is "two hundred sixteen billion, four hundred twenty-two million, fifty-four thousand, two hundred two".