9993722 has 16 divisors (see below), whose sum is σ = 15933672. Its totient is φ = 4684800.

The previous prime is 9993713. The next prime is 9993743. The reversal of 9993722 is 2273999.

It can be written as a sum of positive squares in 4 ways, for example, as 8357881 + 1635841 = 2891^2 + 1279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9993722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13268 + ... + 14000.

Almost surely, 2^9993722 is an apocalyptic number.

9993722 is a deficient number, since it is larger than the sum of its proper divisors (5939950).

9993722 is a wasteful number, since it uses less digits than its factorization.

9993722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its digits is 61236, while the sum is 41.

The square root of 9993722 is about 3161.2848653672. The cubic root of 9993722 is about 215.3983744285.

It can be divided in two parts, 9 and 993722, that multiplied together give a palindrome (8943498).

The spelling of 9993722 in words is "nine million, nine hundred ninety-three thousand, seven hundred twenty-two".