22090104 has 64 divisors (see below), whose sum is σ = 63360000. Its totient is φ = 7123680.

The previous prime is 22090093. The next prime is 22090111. The reversal of 22090104 is 40109022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

Almost surely, 2^22090104 is an apocalyptic number.

22090104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22090104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31680000).

22090104 is an abundant number, since it is smaller than the sum of its proper divisors (41269896).

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

22090104 is a wasteful number, since it uses less digits than its factorization.

22090104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22090104 is about 4700.0110638168. The cubic root of 22090104 is about 280.5859498112.

Adding to 22090104 its reverse (40109022), we get a palindrome (62199126).

The spelling of 22090104 in words is "twenty-two million, ninety thousand, one hundred four".