22213121330 has 16 divisors (see below), whose sum is σ = 40639088664. Its totient is φ = 8739588480.

The previous prime is 22213121323. The next prime is 22213121351. The reversal of 22213121330 is 3312131222.

It can be written as a sum of positive squares in 4 ways, for example, as 18818078041 + 3395043289 = 137179^2 + 58267^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18206867 + ... + 18208086.

Almost surely, 2^22213121330 is an apocalyptic number.

22213121330 is a deficient number, since it is larger than the sum of its proper divisors (18425967334).

22213121330 is a wasteful number, since it uses less digits than its factorization.

22213121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36415021.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22213121330 its reverse (3312131222), we get a palindrome (25525252552).

The spelling of 22213121330 in words is "twenty-two billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred thirty".