214221414 has 16 divisors (see below), whose sum is σ = 467392320. Its totient is φ = 64915560.

The previous prime is 214221401. The next prime is 214221419. The reversal of 214221414 is 414122412.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214221419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622824 + ... + 1622955.

It is an arithmetic number, because the mean of its divisors is an integer number (29212020).

Almost surely, 2^214221414 is an apocalyptic number.

214221414 is an abundant number, since it is smaller than the sum of its proper divisors (253170906).

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

214221414 is a wasteful number, since it uses less digits than its factorization.

214221414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245795.

The product of its digits is 512, while the sum is 21.

The square root of 214221414 is about 14636.3046565723. The cubic root of 214221414 is about 598.3486201888.

Adding to 214221414 its reverse (414122412), we get a palindrome (628343826).

The spelling of 214221414 in words is "two hundred fourteen million, two hundred twenty-one thousand, four hundred fourteen".