9222081 has 32 divisors (see below), whose sum is σ = 14074368. Its totient is φ = 5322240.

The previous prime is 9222079. The next prime is 9222133. The reversal of 9222081 is 1802229.

9222081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9222081 - 2¹ = 9222079 is a prime.

It is a super-2 number, since 2×9222081² = 170093555941122, which contains 22 as substring.

9222081 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95025 + ... + 95121.

It is an arithmetic number, because the mean of its divisors is an integer number (439824).

Almost surely, 2^9222081 is an apocalyptic number.

It is an amenable number.

9222081 is a deficient number, since it is larger than the sum of its proper divisors (4852287).

9222081 is a wasteful number, since it uses less digits than its factorization.

9222081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 9222081 is about 3036.7879412300. The cubic root of 9222081 is about 209.7054146169.

It can be divided in two parts, 922 and 2081, that added together give a palindrome (3003).

The spelling of 9222081 in words is "nine million, two hundred twenty-two thousand, eighty-one".