2122221330 has 32 divisors (see below), whose sum is σ = 5659257600. Its totient is φ = 565925616.

The previous prime is 2122221329. The next prime is 2122221341. The reversal of 2122221330 is 331222212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929770 + ... + 3930309.

It is an arithmetic number, because the mean of its divisors is an integer number (176851800).

Almost surely, 2^2122221330 is an apocalyptic number.

2122221330 is an abundant number, since it is smaller than the sum of its proper divisors (3537036270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122221330 is a wasteful number, since it uses less digits than its factorization.

2122221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860095 (or 7860089 counting only the distinct ones).

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

The square root of 2122221330 is about 46067.5735197764. The cubic root of 2122221330 is about 1285.0801789009.

Adding to 2122221330 its reverse (331222212), we get a palindrome (2453443542).

The spelling of 2122221330 in words is "two billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred thirty".