2222303121 has 20 divisors (see below), whose sum is σ = 3515017572. Its totient is φ = 1394385408.

The previous prime is 2222303113. The next prime is 2222303123. The reversal of 2222303121 is 1213032222.

It can be written as a sum of positive squares in 2 ways, for example, as 776402496 + 1445900625 = 27864^2 + 38025^2 .

It is not a de Polignac number, because 2222303121 - 2³ = 2222303113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222303094 and 2222303103.

It is not an unprimeable number, because it can be changed into a prime (2222303123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 805560 + ... + 808313.

Almost surely, 2^2222303121 is an apocalyptic number.

It is an amenable number.

2222303121 is a deficient number, since it is larger than the sum of its proper divisors (1292714451).

2222303121 is a wasteful number, since it uses less digits than its factorization.

2222303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613902 (or 1613893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2222303121 is about 47141.3101324093. The cubic root of 2222303121 is about 1304.9717155978.

Adding to 2222303121 its reverse (1213032222), we get a palindrome (3435335343).

The spelling of 2222303121 in words is "two billion, two hundred twenty-two million, three hundred three thousand, one hundred twenty-one".