1122231 has 16 divisors (see below), whose sum is σ = 1686528. Its totient is φ = 657600.

The previous prime is 1122227. The next prime is 1122241. The reversal of 1122231 is 1322211.

It is not a de Polignac number, because 1122231 - 2² = 1122227 is a prime.

It is a super-2 number, since 2×1122231² = 2518804834722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (105408).

2^1122231 is an apocalyptic number.

1122231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122231 is a deficient number, since it is larger than the sum of its proper divisors (564297).

1122231 is a wasteful number, since it uses less digits than its factorization.

1122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its digits is 24, while the sum is 12.

The square root of 1122231 is about 1059.3540484654. The cubic root of 1122231 is about 103.9187913876.

Adding to 1122231 its reverse (1322211), we get a palindrome (2444442).

The spelling of 1122231 in words is "one million, one hundred twenty-two thousand, two hundred thirty-one".