1226231 has 4 divisors (see below), whose sum is σ = 1254792. Its totient is φ = 1197672.

The previous prime is 1226213. The next prime is 1226237. The reversal of 1226231 is 1326221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226231 is a prime.

It is a super-2 number, since 2×1226231² = 3007284930722, 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 (1226237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14216 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (313698).

2^1226231 is an apocalyptic number.

1226231 is a deficient number, since it is larger than the sum of its proper divisors (28561).

1226231 is an equidigital number, since it uses as much as digits as its factorization.

1226231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28560.

The product of its digits is 144, while the sum is 17.

The square root of 1226231 is about 1107.3531505351. The cubic root of 1226231 is about 107.0345769989.

The spelling of 1226231 in words is "one million, two hundred twenty-six thousand, two hundred thirty-one".