22105700 has 36 divisors (see below), whose sum is σ = 48174000. Its totient is φ = 8804640.

The previous prime is 22105693. The next prime is 22105709. The reversal of 22105700 is 750122.

It is not an unprimeable number, because it can be changed into a prime (22105709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44051 + ... + 44549.

Almost surely, 2^22105700 is an apocalyptic number.

22105700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22105700 is an abundant number, since it is smaller than the sum of its proper divisors (26068300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22105700 is a wasteful number, since it uses less digits than its factorization.

22105700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 22105700 is about 4701.6699161043. The cubic root of 22105700 is about 280.6519671408.

Adding to 22105700 its reverse (750122), we get a palindrome (22855822).

The spelling of 22105700 in words is "twenty-two million, one hundred five thousand, seven hundred".