22142420230221 has 24 divisors (see below), whose sum is σ = 32197583228096. Its totient is φ = 14662817769600.

The previous prime is 22142420230207. The next prime is 22142420230289. The reversal of 22142420230221 is 12203202424122.

22142420230221 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 2 + 420 + 230 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 22142420230221 - 2¹³ = 22142420222029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142420230321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18896181 + ... + 20033733.

Almost surely, 2^{22142420230221} is an apocalyptic number.

It is an amenable number.

22142420230221 is a deficient number, since it is larger than the sum of its proper divisors (10055162997875).

22142420230221 is a wasteful number, since it uses less digits than its factorization.

22142420230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152033 (or 1152030 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22142420230221 its reverse (12203202424122), we get a palindrome (34345622654343).

The spelling of 22142420230221 in words is "twenty-two trillion, one hundred forty-two billion, four hundred twenty million, two hundred thirty thousand, two hundred twenty-one".