994223232 has 72 divisors (see below), whose sum is σ = 2864063865. Its totient is φ = 331051008.

The previous prime is 994223213. The next prime is 994223233. The reversal of 994223232 is 232322499.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 633830976 + 360392256 = 25176^2 + 18984^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22296.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (994223233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1069744 + ... + 1070672.

Almost surely, 2^994223232 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 994223232

994223232 is an abundant number, since it is smaller than the sum of its proper divisors (1869840633).

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

994223232 is an frugal number, since it uses more digits than its factorization.

994223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 934 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 994223232 is about 31531.3055866705. The cubic root of 994223232 is about 998.0706908266.

The spelling of 994223232 in words is "nine hundred ninety-four million, two hundred twenty-three thousand, two hundred thirty-two".