1106642231 has 2 divisors, whose sum is σ = 1106642232. Its totient is φ = 1106642230.

The previous prime is 1106642227. The next prime is 1106642239. The reversal of 1106642231 is 1322466011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1106642231 - 2² = 1106642227 is a prime.

It is a super-2 number, since 2×1106642231² = 2449314054865314722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1106642231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1106642239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553321115 + 553321116.

It is an arithmetic number, because the mean of its divisors is an integer number (553321116).

Almost surely, 2^1106642231 is an apocalyptic number.

1106642231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1106642231 is an equidigital number, since it uses as much as digits as its factorization.

1106642231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1106642231 is about 33266.2325940284. The cubic root of 1106642231 is about 1034.3537178999.

The spelling of 1106642231 in words is "one billion, one hundred six million, six hundred forty-two thousand, two hundred thirty-one".