228210444 has 216 divisors, whose sum is σ = 771825600. Its totient is φ = 56064960.

The previous prime is 228210443. The next prime is 228210457. The reversal of 228210444 is 444012822.

228210444 is a `hidden beast` number, since 2 + 2 + 8 + 210 + 444 = 666.

228210444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228210443) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 368367 + ... + 368985.

Almost surely, 2^228210444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228210444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385912800).

228210444 is an abundant number, since it is smaller than the sum of its proper divisors (543615156).

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

228210444 is a wasteful number, since it uses less digits than its factorization.

228210444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 228210444 is about 15106.6357604862. The cubic root of 228210444 is about 611.0993737274.

The spelling of 228210444 in words is "two hundred twenty-eight million, two hundred ten thousand, four hundred forty-four".