22450806 has 96 divisors (see below), whose sum is σ = 59424768. Its totient is φ = 5987520.

The previous prime is 22450781. The next prime is 22450817. The reversal of 22450806 is 60805422.

It is a self number, because there is not a number n which added to its sum of digits gives 22450806.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 176715 + ... + 176841.

It is an arithmetic number, because the mean of its divisors is an integer number (619008).

Almost surely, 2^22450806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22450806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29712384).

22450806 is an abundant number, since it is smaller than the sum of its proper divisors (36973962).

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

22450806 is a wasteful number, since it uses less digits than its factorization.

22450806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22450806 is about 4738.2281498467. The cubic root of 22450806 is about 282.1049104153.

The spelling of 22450806 in words is "twenty-two million, four hundred fifty thousand, eight hundred six".