216167222 has 8 divisors (see below), whose sum is σ = 324619056. Its totient is φ = 107960872.

The previous prime is 216167219. The next prime is 216167251. The reversal of 216167222 is 222761612.

It is a happy number.

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, 59153 + ... + 62700.

It is an arithmetic number, because the mean of its divisors is an integer number (40577382).

Almost surely, 2^216167222 is an apocalyptic number.

216167222 is a deficient number, since it is larger than the sum of its proper divisors (108451834).

216167222 is a wasteful number, since it uses less digits than its factorization.

216167222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122742.

The product of its digits is 4032, while the sum is 29.

The square root of 216167222 is about 14702.6263640208. The cubic root of 216167222 is about 600.1547952458.

The spelling of 216167222 in words is "two hundred sixteen million, one hundred sixty-seven thousand, two hundred twenty-two".