94221209 has 8 divisors (see below), whose sum is σ = 99600000. Its totient is φ = 88884432.

The previous prime is 94221199. The next prime is 94221217. The reversal of 94221209 is 90212249.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-94221209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94221269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5834 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (12450000).

Almost surely, 2^94221209 is an apocalyptic number.

It is an amenable number.

94221209 is a deficient number, since it is larger than the sum of its proper divisors (5378791).

94221209 is a wasteful number, since it uses less digits than its factorization.

94221209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21007.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 94221209 is about 9706.7609942761. The cubic root of 94221209 is about 455.0399819956.

The spelling of 94221209 in words is "ninety-four million, two hundred twenty-one thousand, two hundred nine".