216156022 has 8 divisors (see below), whose sum is σ = 324675000. Its totient is φ = 107931024.

The previous prime is 216156011. The next prime is 216156041. The reversal of 216156022 is 220651612.

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, 71647 + ... + 74602.

It is an arithmetic number, because the mean of its divisors is an integer number (40584375).

Almost surely, 2^216156022 is an apocalyptic number.

216156022 is a deficient number, since it is larger than the sum of its proper divisors (108518978).

216156022 is a wasteful number, since it uses less digits than its factorization.

216156022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146990.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 216156022 is about 14702.2454747566. The cubic root of 216156022 is about 600.1444300453.

The spelling of 216156022 in words is "two hundred sixteen million, one hundred fifty-six thousand, twenty-two".