228002214 has 64 divisors (see below), whose sum is σ = 518307840. Its totient is φ = 66251520.

The previous prime is 228002213. The next prime is 228002221. The reversal of 228002214 is 412200822.

It is a happy number.

228002214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228002213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177627 + ... + 178905.

It is an arithmetic number, because the mean of its divisors is an integer number (8098560).

Almost surely, 2^228002214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228002214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259153920).

228002214 is an abundant number, since it is smaller than the sum of its proper divisors (290305626).

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

228002214 is a wasteful number, since it uses less digits than its factorization.

228002214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405.

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

The square root of 228002214 is about 15099.7421832295. The cubic root of 228002214 is about 610.9134518465.

The spelling of 228002214 in words is "two hundred twenty-eight million, two thousand, two hundred fourteen".