1222303 has 4 divisors (see below), whose sum is σ = 1243080. Its totient is φ = 1201528.

The previous prime is 1222279. The next prime is 1222307. The reversal of 1222303 is 3032221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3032221 = 137 ⋅22133.

It is a cyclic number.

It is not a de Polignac number, because 1222303 - 2⁵ = 1222271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222307) 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, 10300 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (310770).

2^1222303 is an apocalyptic number.

1222303 is a deficient number, since it is larger than the sum of its proper divisors (20777).

1222303 is an equidigital number, since it uses as much as digits as its factorization.

1222303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20776.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1222303 is about 1105.5781293061. The cubic root of 1222303 is about 106.9201663797.

Adding to 1222303 its reverse (3032221), we get a palindrome (4254524).

The spelling of 1222303 in words is "one million, two hundred twenty-two thousand, three hundred three".