21223230022 has 8 divisors (see below), whose sum is σ = 32932598400. Its totient is φ = 10245697224.

The previous prime is 21223230019. The next prime is 21223230053. The reversal of 21223230022 is 22003232212.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182958822 + ... + 182958937.

It is an arithmetic number, because the mean of its divisors is an integer number (4116574800).

Almost surely, 2^21223230022 is an apocalyptic number.

21223230022 is a deficient number, since it is larger than the sum of its proper divisors (11709368378).

21223230022 is a wasteful number, since it uses less digits than its factorization.

21223230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365917790.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21223230022 its reverse (22003232212), we get a palindrome (43226462234).

The spelling of 21223230022 in words is "twenty-one billion, two hundred twenty-three million, two hundred thirty thousand, twenty-two".