94443221 has 4 divisors (see below), whose sum is σ = 98549472. Its totient is φ = 90336972.

The previous prime is 94443187. The next prime is 94443241. The reversal of 94443221 is 12234449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 94443221 - 2¹⁰ = 94442197 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94443241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053091 + ... + 2053136.

It is an arithmetic number, because the mean of its divisors is an integer number (24637368).

Almost surely, 2^94443221 is an apocalyptic number.

It is an amenable number.

94443221 is a deficient number, since it is larger than the sum of its proper divisors (4106251).

94443221 is a wasteful number, since it uses less digits than its factorization.

94443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106250.

The product of its digits is 6912, while the sum is 29.

The square root of 94443221 is about 9718.1902121743. The cubic root of 94443221 is about 455.3971029095.

The spelling of 94443221 in words is "ninety-four million, four hundred forty-three thousand, two hundred twenty-one".