21223303412422 has 8 divisors (see below), whose sum is σ = 31907472102000. Its totient is φ = 10587479378424.

The previous prime is 21223303412419. The next prime is 21223303412459. The reversal of 21223303412422 is 22421430332212.

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, 12086162797 + ... + 12086164552.

It is an arithmetic number, because the mean of its divisors is an integer number (3988434012750).

Almost surely, 2^{21223303412422} is an apocalyptic number.

21223303412422 is a deficient number, since it is larger than the sum of its proper divisors (10684168689578).

21223303412422 is a wasteful number, since it uses less digits than its factorization.

21223303412422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24172327790.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21223303412422 its reverse (22421430332212), we get a palindrome (43644733744634).

The spelling of 21223303412422 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred three million, four hundred twelve thousand, four hundred twenty-two".