894222784 has 112 divisors (see below), whose sum is σ = 2225942208. Its totient is φ = 346963968.

The previous prime is 894222779. The next prime is 894222793. The reversal of 894222784 is 487222498.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307224 + ... + 310120.

It is an arithmetic number, because the mean of its divisors is an integer number (19874484).

Almost surely, 2^894222784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 894222784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112971104).

894222784 is an abundant number, since it is smaller than the sum of its proper divisors (1331719424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

894222784 is a wasteful number, since it uses less digits than its factorization.

894222784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2972 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 894222784 is about 29903.5580491687. The cubic root of 894222784 is about 963.4190814851.

The spelling of 894222784 in words is "eight hundred ninety-four million, two hundred twenty-two thousand, seven hundred eighty-four".