1222201003 has 4 divisors (see below), whose sum is σ = 1222533360. Its totient is φ = 1221868648.

The previous prime is 1222200953. The next prime is 1222201031. The reversal of 1222201003 is 3001022221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3001022221 = 23 ⋅130479227.

It is a cyclic number.

It is not a de Polignac number, because 1222201003 - 2¹⁷ = 1222069931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222201073) 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, 160600 + ... + 168037.

It is an arithmetic number, because the mean of its divisors is an integer number (305633340).

Almost surely, 2^1222201003 is an apocalyptic number.

1222201003 is a deficient number, since it is larger than the sum of its proper divisors (332357).

1222201003 is an equidigital number, since it uses as much as digits as its factorization.

1222201003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332356.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1222201003 is about 34959.9914616694. The cubic root of 1222201003 is about 1069.1719225643.

Adding to 1222201003 its reverse (3001022221), we get a palindrome (4223223224).

The spelling of 1222201003 in words is "one billion, two hundred twenty-two million, two hundred one thousand, three".