22100104 has 16 divisors (see below), whose sum is σ = 44625420.
Its totient is φ = 10200000.
The previous prime is 22100081. The next prime is 22100129. The reversal of 22100104 is 40100122.
It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 28900 = 4698^2 + 170^2
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106147 + ... + 106354.
Almost surely, 222100104 is an apocalyptic number.
It is an amenable number.
22100104 is an abundant number, since it is smaller than the sum of its proper divisors (22525316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22100104 is a wasteful number, since it uses less digits than its factorization.
22100104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212520 (or 212516 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 22100104 is about 4701.0747707306.
The cubic root of 22100104 is about 280.6282830389.
Adding to 22100104 its reverse (40100122), we get a palindrome (62200226).
The spelling of 22100104 in words is "twenty-two million, one hundred thousand, one hundred four".