9122213 has 4 divisors (see below), whose sum is σ = 9344748. Its totient is φ = 8899680.

The previous prime is 9122207. The next prime is 9122231. The reversal of 9122213 is 3122219.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2455489 + 6666724 = 1567^2 + 2582^2 .

It is a cyclic number.

It is not a de Polignac number, because 9122213 - 2¹² = 9118117 is a prime.

It is a super-3 number, since 3×9122213³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9122263) 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 3 ways as a sum of consecutive naturals, for example, 111206 + ... + 111287.

It is an arithmetic number, because the mean of its divisors is an integer number (2336187).

Almost surely, 2^9122213 is an apocalyptic number.

It is an amenable number.

9122213 is a deficient number, since it is larger than the sum of its proper divisors (222535).

9122213 is a wasteful number, since it uses less digits than its factorization.

9122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222534.

The product of its digits is 216, while the sum is 20.

The square root of 9122213 is about 3020.3001506473. The cubic root of 9122213 is about 208.9456830987.

It can be divided in two parts, 912 and 2213, that added together give a 5-th power (3125 = 5⁵).

The spelling of 9122213 in words is "nine million, one hundred twenty-two thousand, two hundred thirteen".