22206408 has 96 divisors (see below), whose sum is σ = 67469760. Its totient is φ = 6061440.

The previous prime is 22206407. The next prime is 22206433. The reversal of 22206408 is 80460222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22206407) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 26638 + ... + 27458.

It is an arithmetic number, because the mean of its divisors is an integer number (702810).

Almost surely, 2^22206408 is an apocalyptic number.

22206408 is a gapful number since it is divisible by the number (28) 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 22206408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33734880).

22206408 is an abundant number, since it is smaller than the sum of its proper divisors (45263352).

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

22206408 is a wasteful number, since it uses less digits than its factorization.

22206408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22206408 is about 4712.3675578206. The cubic root of 22206408 is about 281.0775147830.

The spelling of 22206408 in words is "twenty-two million, two hundred six thousand, four hundred eight".