1222004113 has 4 divisors (see below), whose sum is σ = 1333095408. Its totient is φ = 1110912820.

The previous prime is 1222004101. The next prime is 1222004131. The reversal of 1222004113 is 3114002221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222004113 - 2¹⁷ = 1221873041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222008113) 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, 55545631 + ... + 55545652.

It is an arithmetic number, because the mean of its divisors is an integer number (333273852).

Almost surely, 2^1222004113 is an apocalyptic number.

It is an amenable number.

1222004113 is a deficient number, since it is larger than the sum of its proper divisors (111091295).

1222004113 is a wasteful number, since it uses less digits than its factorization.

1222004113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111091294.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1222004113 is about 34957.1754150704. The cubic root of 1222004113 is about 1069.1145068680.

Adding to 1222004113 its reverse (3114002221), we get a palindrome (4336006334).

The spelling of 1222004113 in words is "one billion, two hundred twenty-two million, four thousand, one hundred thirteen".