94228821 has 12 divisors (see below), whose sum is σ = 137749248. Its totient is φ = 62061864.

The previous prime is 94228819. The next prime is 94228837. The reversal of 94228821 is 12882249.

It is not a de Polignac number, because 94228821 - 2¹ = 94228819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94228811) 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, 62325 + ... + 63818.

It is an arithmetic number, because the mean of its divisors is an integer number (11479104).

Almost surely, 2^94228821 is an apocalyptic number.

It is an amenable number.

94228821 is a deficient number, since it is larger than the sum of its proper divisors (43520427).

94228821 is a wasteful number, since it uses less digits than its factorization.

94228821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126232 (or 126229 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 94228821 is about 9707.1530841952. The cubic root of 94228821 is about 455.0522356807.

The spelling of 94228821 in words is "ninety-four million, two hundred twenty-eight thousand, eight hundred twenty-one".