22109796 has 36 divisors (see below), whose sum is σ = 56056000. Its totient is φ = 7347888.

The previous prime is 22109779. The next prime is 22109797. The reversal of 22109796 is 69790122.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22109796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22109797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15105 + ... + 16503.

Almost surely, 2^22109796 is an apocalyptic number.

It is an amenable number.

22109796 is an abundant number, since it is smaller than the sum of its proper divisors (33946204).

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

22109796 is a wasteful number, since it uses less digits than its factorization.

22109796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 22109796 is about 4702.1054858435. The cubic root of 22109796 is about 280.6693002187.

The spelling of 22109796 in words is "twenty-two million, one hundred nine thousand, seven hundred ninety-six".