216673422 has 32 divisors (see below), whose sum is σ = 495704832. Its totient is φ = 61850304.

The previous prime is 216673421. The next prime is 216673423. The reversal of 216673422 is 224376612.

216673422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (216673421) and next prime (216673423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216673421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71898 + ... + 74850.

It is an arithmetic number, because the mean of its divisors is an integer number (15490776).

Almost surely, 2^216673422 is an apocalyptic number.

216673422 is an abundant number, since it is smaller than the sum of its proper divisors (279031410).

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

216673422 is a wasteful number, since it uses less digits than its factorization.

216673422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its digits is 24192, while the sum is 33.

The square root of 216673422 is about 14719.8309093549. The cubic root of 216673422 is about 600.6228920077.

The spelling of 216673422 in words is "two hundred sixteen million, six hundred seventy-three thousand, four hundred twenty-two".