22241643 has 8 divisors (see below), whose sum is σ = 30158400. Its totient is φ = 14576328.

The previous prime is 22241623. The next prime is 22241689. The reversal of 22241643 is 34614222.

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

It is not a de Polignac number, because 22241643 - 2¹⁶ = 22176107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22241603) 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 7 ways as a sum of consecutive naturals, for example, 62653 + ... + 63006.

It is an arithmetic number, because the mean of its divisors is an integer number (3769800).

Almost surely, 2^22241643 is an apocalyptic number.

22241643 is a deficient number, since it is larger than the sum of its proper divisors (7916757).

22241643 is a wasteful number, since it uses less digits than its factorization.

22241643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125721.

The product of its digits is 2304, while the sum is 24.

The square root of 22241643 is about 4716.1046426050. The cubic root of 22241643 is about 281.2260985120.

Adding to 22241643 its reverse (34614222), we get a palindrome (56855865).

The spelling of 22241643 in words is "twenty-two million, two hundred forty-one thousand, six hundred forty-three".