It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 1994322.
It is a congruent number.
21994322 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1994322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1994322 is a wasteful number, since it uses less digits than its factorization.
1994322 is an evil number, because the sum of its binary digits is even.
The square root of 1994322 is about 1412.2046593890. The cubic root of 1994322 is about 125.8727614507.
The spelling of 1994322 in words is "one million, nine hundred ninety-four thousand, three hundred twenty-two".