94021228 has 12 divisors (see below), whose sum is σ = 188042512. Its totient is φ = 40294800.

The previous prime is 94021211. The next prime is 94021229. The reversal of 94021228 is 82212049.

94021228 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3357901 = 94021228 / (9 + 4 + 0 + 2 + 1 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 94021196 and 94021205.

It is not an unprimeable number, because it can be changed into a prime (94021229) 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, 1678923 + ... + 1678978.

Almost surely, 2^94021228 is an apocalyptic number.

It is an amenable number.

94021228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

94021228 is a wasteful number, since it uses less digits than its factorization.

94021228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357912 (or 3357910 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 94021228 is about 9696.4544035436. The cubic root of 94021228 is about 454.7178188346.

It can be divided in two parts, 94021 and 228, that added together give a palindrome (94249).

The spelling of 94021228 in words is "ninety-four million, twenty-one thousand, two hundred twenty-eight".