228414213 has 12 divisors (see below), whose sum is σ = 330241548. Its totient is φ = 152133120.

The previous prime is 228414161. The next prime is 228414271. The reversal of 228414213 is 312414822.

228414213 is a `hidden beast` number, since 228 + 414 + 21 + 3 = 666.

228414213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 185995044 = 6513^2 + 13638^2 .

It is not a de Polignac number, because 228414213 - 2⁹ = 228413701 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228416213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1308 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (27520129).

Almost surely, 2^228414213 is an apocalyptic number.

It is an amenable number.

228414213 is a deficient number, since it is larger than the sum of its proper divisors (101827335).

228414213 is a wasteful number, since it uses less digits than its factorization.

228414213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23844 (or 23841 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 228414213 is about 15113.3786096955. The cubic root of 228414213 is about 611.2812030692.

The spelling of 228414213 in words is "two hundred twenty-eight million, four hundred fourteen thousand, two hundred thirteen".