2223121330 has 16 divisors (see below), whose sum is σ = 4009279104. Its totient is φ = 887546160.

The previous prime is 2223121279. The next prime is 2223121333. The reversal of 2223121330 is 331213222.

It is a junction number, because it is equal to n+sod(n) for n = 2223121298 and 2223121307.

It is not an unprimeable number, because it can be changed into a prime (2223121333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207306 + ... + 217765.

It is an arithmetic number, because the mean of its divisors is an integer number (250579944).

Almost surely, 2^2223121330 is an apocalyptic number.

2223121330 is a deficient number, since it is larger than the sum of its proper divisors (1786157774).

2223121330 is a wasteful number, since it uses less digits than its factorization.

2223121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425601.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2223121330 is about 47149.9875927873. The cubic root of 2223121330 is about 1305.1318510565.

Adding to 2223121330 its reverse (331213222), we get a palindrome (2554334552).

The spelling of 2223121330 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred thirty".