22121034230222 has 32 divisors (see below), whose sum is σ = 35242677007104. Its totient is φ = 10395185414400.

The previous prime is 22121034230221. The next prime is 22121034230357. The reversal of 22121034230222 is 22203243012122.

It is a junction number, because it is equal to n+sod(n) for n = 22121034230191 and 22121034230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121034230221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7671143 + ... + 10153250.

It is an arithmetic number, because the mean of its divisors is an integer number (1101333656472).

Almost surely, 2^{22121034230222} is an apocalyptic number.

22121034230222 is a deficient number, since it is larger than the sum of its proper divisors (13121642776882).

22121034230222 is a wasteful number, since it uses less digits than its factorization.

22121034230222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17825004.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22121034230222 its reverse (22203243012122), we get a palindrome (44324277242344).

The spelling of 22121034230222 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-four million, two hundred thirty thousand, two hundred twenty-two".