1222031103 has 4 divisors (see below), whose sum is σ = 1629374808. Its totient is φ = 814687400.

The previous prime is 1222031089. The next prime is 1222031137. The reversal of 1222031103 is 3011302221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222031103 - 2⁶ = 1222031039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222031183) 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, 203671848 + ... + 203671853.

It is an arithmetic number, because the mean of its divisors is an integer number (407343702).

Almost surely, 2^1222031103 is an apocalyptic number.

1222031103 is a deficient number, since it is larger than the sum of its proper divisors (407343705).

1222031103 is an equidigital number, since it uses as much as digits as its factorization.

1222031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407343704.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1222031103 is about 34957.5614567149. The cubic root of 1222031103 is about 1069.1223778693.

Adding to 1222031103 its reverse (3011302221), we get a palindrome (4233333324).

The spelling of 1222031103 in words is "one billion, two hundred twenty-two million, thirty-one thousand, one hundred three".