9012231 has 12 divisors (see below), whose sum is σ = 13053040. Its totient is φ = 5991840.

The previous prime is 9012217. The next prime is 9012239. The reversal of 9012231 is 1322109.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9012231 is a prime.

It is a super-2 number, since 2×9012231² = 162440615194722, which contains 22 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 (9012239) 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, 2811 + ... + 5091.

Almost surely, 2^9012231 is an apocalyptic number.

9012231 is a deficient number, since it is larger than the sum of its proper divisors (4040809).

9012231 is a wasteful number, since it uses less digits than its factorization.

9012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 9012231 is about 3002.0378078898. The cubic root of 9012231 is about 208.1025674494.

It can be divided in two parts, 90 and 12231, that added together give a palindrome (12321).

The spelling of 9012231 in words is "nine million, twelve thousand, two hundred thirty-one".