22220105105 has 32 divisors (see below), whose sum is σ = 29270246400. Its totient is φ = 16059153600.

The previous prime is 22220105059. The next prime is 22220105111. The reversal of 22220105105 is 50150102222.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-22220105105 is a prime.

It is a super-2 number, since 2×22220105105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11824556 + ... + 11826434.

It is an arithmetic number, because the mean of its divisors is an integer number (914695200).

Almost surely, 2^22220105105 is an apocalyptic number.

It is an amenable number.

22220105105 is a deficient number, since it is larger than the sum of its proper divisors (7050141295).

22220105105 is a wasteful number, since it uses less digits than its factorization.

22220105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 22220105105 its reverse (50150102222), we get a palindrome (72370207327).

The spelling of 22220105105 in words is "twenty-two billion, two hundred twenty million, one hundred five thousand, one hundred five".