9993222 has 24 divisors (see below), whose sum is σ = 22351680. Its totient is φ = 3223440.

The previous prime is 9993209. The next prime is 9993223. The reversal of 9993222 is 2223999.

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

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8397 + ... + 9512.

It is an arithmetic number, because the mean of its divisors is an integer number (931320).

Almost surely, 2^9993222 is an apocalyptic number.

9993222 is an abundant number, since it is smaller than the sum of its proper divisors (12358458).

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

9993222 is a wasteful number, since it uses less digits than its factorization.

9993222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17948 (or 17945 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 9993222 is about 3161.2057826089. The cubic root of 9993222 is about 215.3947821404.

The spelling of 9993222 in words is "nine million, nine hundred ninety-three thousand, two hundred twenty-two".