22241641 has 4 divisors (see below), whose sum is σ = 22281300. Its totient is φ = 22201984.

The previous prime is 22241623. The next prime is 22241689. The reversal of 22241641 is 14614222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5308416 + 16933225 = 2304^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241641 - 2¹¹ = 22239593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22241041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18976 + ... + 20113.

It is an arithmetic number, because the mean of its divisors is an integer number (5570325).

Almost surely, 2^22241641 is an apocalyptic number.

It is an amenable number.

22241641 is a deficient number, since it is larger than the sum of its proper divisors (39659).

22241641 is an equidigital number, since it uses as much as digits as its factorization.

22241641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39658.

The product of its digits is 768, while the sum is 22.

The square root of 22241641 is about 4716.1044305655. The cubic root of 22241641 is about 281.2260900826.

Adding to 22241641 its reverse (14614222), we get a palindrome (36855863).

The spelling of 22241641 in words is "twenty-two million, two hundred forty-one thousand, six hundred forty-one".