1099223 has 2 divisors, whose sum is σ = 1099224. Its totient is φ = 1099222.

The previous prime is 1099199. The next prime is 1099247. The reversal of 1099223 is 3229901.

It is a balanced prime because it is at equal distance from previous prime (1099199) and next prime (1099247).

It is an emirp because it is prime and its reverse (3229901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1099223 - 2⁸ = 1098967 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is equal to p₈₅₆₅₂ and since 1099223 and 85652 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1099192 and 1099201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549611 + 549612.

It is an arithmetic number, because the mean of its divisors is an integer number (549612).

2^1099223 is an apocalyptic number.

1099223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099223 is an equidigital number, since it uses as much as digits as its factorization.

1099223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1099223 is about 1048.4383625183. The cubic root of 1099223 is about 103.2037003160.

The spelling of 1099223 in words is "one million, ninety-nine thousand, two hundred twenty-three".