22210111138 has 72 divisors (see below), whose sum is σ = 37018912896. Its totient is φ = 9974495520.

The previous prime is 22210111087. The next prime is 22210111139. The reversal of 22210111138 is 83111101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210111139) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60517831 + ... + 60518197.

It is an arithmetic number, because the mean of its divisors is an integer number (514151568).

Almost surely, 2^22210111138 is an apocalyptic number.

22210111138 is a deficient number, since it is larger than the sum of its proper divisors (14808801758).

22210111138 is a wasteful number, since it uses less digits than its factorization.

22210111138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 22210111138 in words is "twenty-two billion, two hundred ten million, one hundred eleven thousand, one hundred thirty-eight".