94220928 has 128 divisors (see below), whose sum is σ = 281520000. Its totient is φ = 31021056.

The previous prime is 94220927. The next prime is 94220933. The reversal of 94220928 is 82902249.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 94220892 and 94220901.

It is not an unprimeable number, because it can be changed into a prime (94220927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473373 + ... + 473571.

It is an arithmetic number, because the mean of its divisors is an integer number (2199375).

Almost surely, 2^94220928 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 94220928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140760000).

94220928 is an abundant number, since it is smaller than the sum of its proper divisors (187299072).

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

94220928 is a wasteful number, since it uses less digits than its factorization.

94220928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 94220928 is about 9706.7465198181. The cubic root of 94220928 is about 455.0395296333.

The spelling of 94220928 in words is "ninety-four million, two hundred twenty thousand, nine hundred twenty-eight".