994422 has 64 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 259200.

The previous prime is 994417. The next prime is 994447. The reversal of 994422 is 224499.

It is a super-2 number, since 2×994422² = 1977750228168, which contains 22 as substring.

It is a plaindrome in base 15.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 994422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16272 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁹⁹⁴⁴²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249920).

994422 is an abundant number, since it is smaller than the sum of its proper divisors (1505418).

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

994422 is a wasteful number, since it uses less digits than its factorization.

994422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109.

The product of its digits is 5184, while the sum is 30.

The square root of 994422 is about 997.2070998544. The cubic root of 994422 is about 99.8137198793.

The spelling of 994422 in words is "nine hundred ninety-four thousand, four hundred twenty-two".