22008441 has 32 divisors (see below), whose sum is σ = 38026240. Its totient is φ = 10995264.

The previous prime is 22008407. The next prime is 22008443. The reversal of 22008441 is 14480022.

It is not a de Polignac number, because 22008441 - 2⁹ = 22007929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22008443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3066 + ... + 7308.

It is an arithmetic number, because the mean of its divisors is an integer number (1188320).

Almost surely, 2^22008441 is an apocalyptic number.

22008441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22008441 is a deficient number, since it is larger than the sum of its proper divisors (16017799).

22008441 is a wasteful number, since it uses less digits than its factorization.

22008441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22008441 is about 4691.3154871528. The cubic root of 22008441 is about 280.2397648681.

Adding to 22008441 its reverse (14480022), we get a palindrome (36488463).

The spelling of 22008441 in words is "twenty-two million, eight thousand, four hundred forty-one".