22220441 has 8 divisors (see below), whose sum is σ = 22508904. Its totient is φ = 21934080.

The previous prime is 22220431. The next prime is 22220447. The reversal of 22220441 is 14402222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4748041 + 17472400 = 2179^2 + 4180^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22220447) 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, 32681 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (2813613).

Almost surely, 2^22220441 is an apocalyptic number.

It is an amenable number.

22220441 is a deficient number, since it is larger than the sum of its proper divisors (288463).

22220441 is a wasteful number, since it uses less digits than its factorization.

22220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22220441 is about 4713.8562769775. The cubic root of 22220441 is about 281.1367098615.

Adding to 22220441 its reverse (14402222), we get a palindrome (36622663).

The spelling of 22220441 in words is "twenty-two million, two hundred twenty thousand, four hundred forty-one".