216738022 has 8 divisors (see below), whose sum is σ = 329560776. Its totient is φ = 106884432.

The previous prime is 216738007. The next prime is 216738043. The reversal of 216738022 is 220837612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742108 + ... + 742399.

It is an arithmetic number, because the mean of its divisors is an integer number (41195097).

Almost surely, 2^216738022 is an apocalyptic number.

216738022 is a deficient number, since it is larger than the sum of its proper divisors (112822754).

216738022 is a wasteful number, since it uses less digits than its factorization.

216738022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484582.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 216738022 is about 14722.0250645079. The cubic root of 216738022 is about 600.6825768906.

The spelling of 216738022 in words is "two hundred sixteen million, seven hundred thirty-eight thousand, twenty-two".