994220 has 12 divisors (see below), whose sum is σ = 2087904. Its totient is φ = 397680.

The previous prime is 994199. The next prime is 994229. The reversal of 994220 is 22499.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 994220.

It is not an unprimeable number, because it can be changed into a prime (994229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24836 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (173992).

2⁹⁹⁴²²⁰ is an apocalyptic number.

It is an amenable number.

994220 is an abundant number, since it is smaller than the sum of its proper divisors (1093684).

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

994220 is a wasteful number, since it uses less digits than its factorization.

994220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49720 (or 49718 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 994220 is about 997.1058118374. The cubic root of 994220 is about 99.8069609323.

The spelling of 994220 in words is "nine hundred ninety-four thousand, two hundred twenty".