9148222 has 4 divisors (see below), whose sum is σ = 13722336. Its totient is φ = 4574110.

The previous prime is 9148199. The next prime is 9148241. The reversal of 9148222 is 2228419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2228419 = 463 ⋅4813.

It is a super-2 number, since 2×9148222² = 167379931522568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2287054 + ... + 2287057.

It is an arithmetic number, because the mean of its divisors is an integer number (3430584).

Almost surely, 2^9148222 is an apocalyptic number.

9148222 is a deficient number, since it is larger than the sum of its proper divisors (4574114).

9148222 is a wasteful number, since it uses less digits than its factorization.

9148222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574113.

The product of its digits is 2304, while the sum is 28.

The square root of 9148222 is about 3024.6027838379. The cubic root of 9148222 is about 209.1440747086.

The spelling of 9148222 in words is "nine million, one hundred forty-eight thousand, two hundred twenty-two".