164219222 has 8 divisors (see below), whose sum is σ = 251570016. Its totient is φ = 80362552.

The previous prime is 164219219. The next prime is 164219239. The reversal of 164219222 is 222912461.

164219222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 873413 + ... + 873600.

It is an arithmetic number, because the mean of its divisors is an integer number (31446252).

Almost surely, 2^164219222 is an apocalyptic number.

164219222 is a deficient number, since it is larger than the sum of its proper divisors (87350794).

164219222 is a wasteful number, since it uses less digits than its factorization.

164219222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747062.

The product of its digits is 3456, while the sum is 29.

The square root of 164219222 is about 12814.8047975769. The cubic root of 164219222 is about 547.6141524383.

The spelling of 164219222 in words is "one hundred sixty-four million, two hundred nineteen thousand, two hundred twenty-two".