20222222193 has 24 divisors (see below), whose sum is σ = 29403316800. Its totient is φ = 13392419040.

The previous prime is 20222222113. The next prime is 20222222213. The reversal of 20222222193 is 39122222202.

It is not a de Polignac number, because 20222222193 - 2⁸ = 20222221937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20222222113) 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, 1160878 + ... + 1178168.

It is an arithmetic number, because the mean of its divisors is an integer number (1225138200).

Almost surely, 2^20222222193 is an apocalyptic number.

It is an amenable number.

20222222193 is a deficient number, since it is larger than the sum of its proper divisors (9181094607).

20222222193 is a wasteful number, since it uses less digits than its factorization.

20222222193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18149 (or 18146 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20222222193 its reverse (39122222202), we get a palindrome (59344444395).

The spelling of 20222222193 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-three".