22144223330 has 8 divisors (see below), whose sum is σ = 39859602012. Its totient is φ = 8857689328.

The previous prime is 22144223329. The next prime is 22144223357. The reversal of 22144223330 is 3332244122.

It can be written as a sum of positive squares in 2 ways, for example, as 21535269001 + 608954329 = 146749^2 + 24677^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22144223330.

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, 1107211157 + ... + 1107211176.

Almost surely, 2^22144223330 is an apocalyptic number.

22144223330 is a deficient number, since it is larger than the sum of its proper divisors (17715378682).

22144223330 is a wasteful number, since it uses less digits than its factorization.

22144223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214422340.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22144223330 its reverse (3332244122), we get a palindrome (25476467452).

The spelling of 22144223330 in words is "twenty-two billion, one hundred forty-four million, two hundred twenty-three thousand, three hundred thirty".