214051818 has 32 divisors (see below), whose sum is σ = 438471936. Its totient is φ = 69631488.

The previous prime is 214051793. The next prime is 214051837. The reversal of 214051818 is 818150412.

It is a happy number.

214051818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121230 + ... + 122982.

It is an arithmetic number, because the mean of its divisors is an integer number (13702248).

Almost surely, 2^214051818 is an apocalyptic number.

214051818 is an abundant number, since it is smaller than the sum of its proper divisors (224420118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214051818 is a wasteful number, since it uses less digits than its factorization.

214051818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 214051818 is about 14630.5098339053. The cubic root of 214051818 is about 598.1906771803.

The spelling of 214051818 in words is "two hundred fourteen million, fifty-one thousand, eight hundred eighteen".