217034227422 has 48 divisors (see below), whose sum is σ = 483814028880. Its totient is φ = 70271971200.

The previous prime is 217034227367. The next prime is 217034227427. The reversal of 217034227422 is 224722430712.

217034227422 is a `hidden beast` number, since 2 + 1 + 7 + 0 + 3 + 4 + 227 + 422 = 666.

217034227422 is digitally balanced in base 3, 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 (217034227427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473104 + ... + 811107.

It is an arithmetic number, because the mean of its divisors is an integer number (10079458935).

Almost surely, 2^217034227422 is an apocalyptic number.

217034227422 is an abundant number, since it is smaller than the sum of its proper divisors (266779801458).

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

217034227422 is a wasteful number, since it uses less digits than its factorization.

217034227422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284489 (or 1284486 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 217034227422 in words is "two hundred seventeen billion, thirty-four million, two hundred twenty-seven thousand, four hundred twenty-two".