1222203 has 4 divisors (see below), whose sum is σ = 1629608. Its totient is φ = 814800.

The previous prime is 1222187. The next prime is 1222219. The reversal of 1222203 is 3022221.

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

It is an interprime number because it is at equal distance from previous prime (1222187) and next prime (1222219).

It is not a de Polignac number, because 1222203 - 2⁴ = 1222187 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222253) 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 in 3 ways as a sum of consecutive naturals, for example, 203698 + ... + 203703.

It is an arithmetic number, because the mean of its divisors is an integer number (407402).

2^1222203 is an apocalyptic number.

1222203 is a deficient number, since it is larger than the sum of its proper divisors (407405).

1222203 is an equidigital number, since it uses as much as digits as its factorization.

1222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407404.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1222203 is about 1105.5329031738. The cubic root of 1222203 is about 106.9172504884.

Adding to 1222203 its reverse (3022221), we get a palindrome (4244424).

The spelling of 1222203 in words is "one million, two hundred twenty-two thousand, two hundred three".