894220533 has 16 divisors (see below), whose sum is σ = 1346491200. Its totient is φ = 586373040.

The previous prime is 894220529. The next prime is 894220549. The reversal of 894220533 is 335022498.

894220533 is a `hidden beast` number, since 89 + 42 + 2 + 0 + 533 = 666.

It is not a de Polignac number, because 894220533 - 2² = 894220529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894220573) 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 15 ways as a sum of consecutive naturals, for example, 269823 + ... + 273116.

It is an arithmetic number, because the mean of its divisors is an integer number (84155700).

Almost surely, 2^894220533 is an apocalyptic number.

It is an amenable number.

894220533 is a deficient number, since it is larger than the sum of its proper divisors (452270667).

894220533 is a wasteful number, since it uses less digits than its factorization.

894220533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543009 (or 543003 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 894220533 is about 29903.5204114833. The cubic root of 894220533 is about 963.4182730892.

The spelling of 894220533 in words is "eight hundred ninety-four million, two hundred twenty thousand, five hundred thirty-three".