2221123430 has 8 divisors (see below), whose sum is σ = 3998022192. Its totient is φ = 888449368.

The previous prime is 2221123403. The next prime is 2221123453. The reversal of 2221123430 is 343211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111056162 + ... + 111056181.

It is an arithmetic number, because the mean of its divisors is an integer number (499752774).

Almost surely, 2^2221123430 is an apocalyptic number.

2221123430 is a deficient number, since it is larger than the sum of its proper divisors (1776898762).

2221123430 is a wasteful number, since it uses less digits than its factorization.

2221123430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222112350.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2221123430 is about 47128.7961866203. The cubic root of 2221123430 is about 1304.7407636247.

Adding to 2221123430 its reverse (343211222), we get a palindrome (2564334652).

The spelling of 2221123430 in words is "two billion, two hundred twenty-one million, one hundred twenty-three thousand, four hundred thirty".