994221027 has 8 divisors (see below), whose sum is σ = 1472920080. Its totient is φ = 662814000.

The previous prime is 994221001. The next prime is 994221031. The reversal of 994221027 is 720122499.

It is not a de Polignac number, because 994221027 - 2¹² = 994216931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994220982 and 994221000.

It is not an unprimeable number, because it can be changed into a prime (994211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18411474 + ... + 18411527.

It is an arithmetic number, because the mean of its divisors is an integer number (184115010).

Almost surely, 2^994221027 is an apocalyptic number.

994221027 is a deficient number, since it is larger than the sum of its proper divisors (478699053).

994221027 is a wasteful number, since it uses less digits than its factorization.

994221027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36823010 (or 36823004 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 994221027 is about 31531.2706214006. The cubic root of 994221027 is about 998.0699529817.

The spelling of 994221027 in words is "nine hundred ninety-four million, two hundred twenty-one thousand, twenty-seven".