422817638540512 has 48 divisors (see below), whose sum is σ = 833972706160272. Its totient is φ = 211015057582080.

The previous prime is 422817638540471. The next prime is 422817638540513. The reversal of 422817638540512 is 215045836718224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422817638540513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712847048 + ... + 1713093880.

It is an arithmetic number, because the mean of its divisors is an integer number (17374431378339).

Almost surely, 2^{422817638540512} is an apocalyptic number.

It is an amenable number.

422817638540512 is a deficient number, since it is larger than the sum of its proper divisors (411155067619760).

422817638540512 is a wasteful number, since it uses less digits than its factorization.

422817638540512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346331 (or 346323 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 422817638540512 in words is "four hundred twenty-two trillion, eight hundred seventeen billion, six hundred thirty-eight million, five hundred forty thousand, five hundred twelve".