214428178 has 8 divisors (see below), whose sum is σ = 332017920. Its totient is φ = 103755540.

The previous prime is 214428169. The next prime is 214428257. The reversal of 214428178 is 871824412.

It is a happy number.

214428178 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1729198 + ... + 1729321.

It is an arithmetic number, because the mean of its divisors is an integer number (41502240).

Almost surely, 2^214428178 is an apocalyptic number.

214428178 is a deficient number, since it is larger than the sum of its proper divisors (117589742).

214428178 is a wasteful number, since it uses less digits than its factorization.

214428178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458552.

The product of its digits is 28672, while the sum is 37.

The square root of 214428178 is about 14643.3663479406. The cubic root of 214428178 is about 598.5410646473.

The spelling of 214428178 in words is "two hundred fourteen million, four hundred twenty-eight thousand, one hundred seventy-eight".