22105912106 has 4 divisors (see below), whose sum is σ = 33158868162. Its totient is φ = 11052956052.

The previous prime is 22105912051. The next prime is 22105912111. The reversal of 22105912106 is 60121950122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19369680625 + 2736231481 = 139175^2 + 52309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5526478025 + ... + 5526478028.

Almost surely, 2^22105912106 is an apocalyptic number.

22105912106 is a deficient number, since it is larger than the sum of its proper divisors (11052956056).

22105912106 is a wasteful number, since it uses less digits than its factorization.

22105912106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052956055.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 22105912106 in words is "twenty-two billion, one hundred five million, nine hundred twelve thousand, one hundred six".