22104736 has 24 divisors (see below), whose sum is σ = 44924544. Its totient is φ = 10695360.

The previous prime is 22104713. The next prime is 22104737. The reversal of 22104736 is 63740122.

It is a self number, because there is not a number n which added to its sum of digits gives 22104736.

It is not an unprimeable number, because it can be changed into a prime (22104737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10150 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (1871856).

Almost surely, 2^22104736 is an apocalyptic number.

It is an amenable number.

22104736 is an abundant number, since it is smaller than the sum of its proper divisors (22819808).

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

22104736 is a wasteful number, since it uses less digits than its factorization.

22104736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324 (or 22316 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22104736 is about 4701.5673982194. The cubic root of 22104736 is about 280.6478874625.

Adding to 22104736 its reverse (63740122), we get a palindrome (85844858).

The spelling of 22104736 in words is "twenty-two million, one hundred four thousand, seven hundred thirty-six".