22009441 has 8 divisors (see below), whose sum is σ = 23484384. Its totient is φ = 20554560.

The previous prime is 22009439. The next prime is 22009453. The reversal of 22009441 is 14490022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22009441 - 2¹ = 22009439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22009241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715 + ... + 7168.

It is an arithmetic number, because the mean of its divisors is an integer number (2935548).

Almost surely, 2^22009441 is an apocalyptic number.

It is an amenable number.

22009441 is a deficient number, since it is larger than the sum of its proper divisors (1474943).

22009441 is a wasteful number, since it uses less digits than its factorization.

22009441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22009441 is about 4691.4220658559. The cubic root of 22009441 is about 280.2440092323.

Adding to 22009441 its reverse (14490022), we get a palindrome (36499463).

The spelling of 22009441 in words is "twenty-two million, nine thousand, four hundred forty-one".