94143228 has 12 divisors (see below), whose sum is σ = 219667560. Its totient is φ = 31381072.

The previous prime is 94143227. The next prime is 94143239. The reversal of 94143228 is 82234149.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94143227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922623 + ... + 3922646.

It is an arithmetic number, because the mean of its divisors is an integer number (18305630).

Almost surely, 2^94143228 is an apocalyptic number.

It is an amenable number.

94143228 is an abundant number, since it is smaller than the sum of its proper divisors (125524332).

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

94143228 is a wasteful number, since it uses less digits than its factorization.

94143228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845276 (or 7845274 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 94143228 is about 9702.7433234112. The cubic root of 94143228 is about 454.9144113053.

The spelling of 94143228 in words is "ninety-four million, one hundred forty-three thousand, two hundred twenty-eight".