220214214 has 80 divisors (see below), whose sum is σ = 541956096. Its totient is φ = 66279600.

The previous prime is 220214207. The next prime is 220214219. The reversal of 220214214 is 412412022.

220214214 is a `hidden beast` number, since 220 + 21 + 421 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220214219) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 340039 + ... + 340685.

Almost surely, 2^220214214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220214214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270978048).

220214214 is an abundant number, since it is smaller than the sum of its proper divisors (321741882).

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

220214214 is a wasteful number, since it uses less digits than its factorization.

220214214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220214214 is about 14839.6163697044. The cubic root of 220214214 is about 603.8769448741.

Adding to 220214214 its reverse (412412022), we get a palindrome (632626236).

The spelling of 220214214 in words is "two hundred twenty million, two hundred fourteen thousand, two hundred fourteen".