22231221230 has 16 divisors (see below), whose sum is σ = 40048780320. Its totient is φ = 8885248032.

The previous prime is 22231221227. The next prime is 22231221289. The reversal of 22231221230 is 3212213222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892154 + ... + 916733.

It is an arithmetic number, because the mean of its divisors is an integer number (2503048770).

Almost surely, 2^22231221230 is an apocalyptic number.

22231221230 is a deficient number, since it is larger than the sum of its proper divisors (17817559090).

22231221230 is a wasteful number, since it uses less digits than its factorization.

22231221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810123.

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

Adding to 22231221230 its reverse (3212213222), we get a palindrome (25443434452).

The spelling of 22231221230 in words is "twenty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred thirty".