22230122421 has 32 divisors (see below), whose sum is σ = 32196003840. Its totient is φ = 13562078400.

The previous prime is 22230122389. The next prime is 22230122459. The reversal of 22230122421 is 12422103222.

It is not a de Polignac number, because 22230122421 - 2⁵ = 22230122389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230122461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7963536 + ... + 7966326.

It is an arithmetic number, because the mean of its divisors is an integer number (1006125120).

Almost surely, 2^22230122421 is an apocalyptic number.

It is an amenable number.

22230122421 is a deficient number, since it is larger than the sum of its proper divisors (9965881419).

22230122421 is a wasteful number, since it uses less digits than its factorization.

22230122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22230122421 its reverse (12422103222), we get a palindrome (34652225643).

The spelling of 22230122421 in words is "twenty-two billion, two hundred thirty million, one hundred twenty-two thousand, four hundred twenty-one".