94221638 has 16 divisors (see below), whose sum is σ = 167093280. Its totient is φ = 38988096.

The previous prime is 94221607. The next prime is 94221691. The reversal of 94221638 is 83612249.

It is a junction number, because it is equal to n+sod(n) for n = 94221598 and 94221607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115631 + ... + 116442.

It is an arithmetic number, because the mean of its divisors is an integer number (10443330).

Almost surely, 2^94221638 is an apocalyptic number.

94221638 is a deficient number, since it is larger than the sum of its proper divisors (72871642).

94221638 is a wasteful number, since it uses less digits than its factorization.

94221638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232111.

The product of its digits is 20736, while the sum is 35.

The square root of 94221638 is about 9706.7830922505. The cubic root of 94221638 is about 455.0406726110.

The spelling of 94221638 in words is "ninety-four million, two hundred twenty-one thousand, six hundred thirty-eight".