22117104 has 40 divisors (see below), whose sum is σ = 63485520. Its totient is φ = 7372224.

The previous prime is 22117103. The next prime is 22117171. The reversal of 22117104 is 40171122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22117103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25167 + ... + 26030.

It is an arithmetic number, because the mean of its divisors is an integer number (1587138).

Almost surely, 2^22117104 is an apocalyptic number.

22117104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22117104 is an abundant number, since it is smaller than the sum of its proper divisors (41368416).

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

22117104 is a wasteful number, since it uses less digits than its factorization.

22117104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51214 (or 51202 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 22117104 is about 4702.8825203273. The cubic root of 22117104 is about 280.7002202281.

Adding to 22117104 its reverse (40171122), we get a palindrome (62288226).

The spelling of 22117104 in words is "twenty-two million, one hundred seventeen thousand, one hundred four".