84194228 has 12 divisors (see below), whose sum is σ = 147915012. Its totient is φ = 41932800.

The previous prime is 84194189. The next prime is 84194273. The reversal of 84194228 is 82249148.

It can be written as a sum of positive squares in 2 ways, for example, as 82228624 + 1965604 = 9068^2 + 1402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84194191 and 84194200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39923 + ... + 41978.

It is an arithmetic number, because the mean of its divisors is an integer number (12326251).

Almost surely, 2^84194228 is an apocalyptic number.

It is an amenable number.

84194228 is a deficient number, since it is larger than the sum of its proper divisors (63720784).

84194228 is a wasteful number, since it uses less digits than its factorization.

84194228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82162 (or 82160 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 84194228 is about 9175.7412779568. The cubic root of 84194228 is about 438.2892038572.

It can be divided in two parts, 8419422 and 8, that multiplied together give a palindrome (67355376).

The spelling of 84194228 in words is "eighty-four million, one hundred ninety-four thousand, two hundred twenty-eight".