20224441 has 4 divisors (see below), whose sum is σ = 21414132. Its totient is φ = 19034752.

The previous prime is 20224423. The next prime is 20224447. The reversal of 20224441 is 14442202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14442202 = 2 ⋅7221101.

It can be written as a sum of positive squares in 2 ways, for example, as 18275625 + 1948816 = 4275^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 20224441 - 2¹⁵ = 20191673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20224447) 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 3 ways as a sum of consecutive naturals, for example, 594820 + ... + 594853.

It is an arithmetic number, because the mean of its divisors is an integer number (5353533).

Almost surely, 2^20224441 is an apocalyptic number.

It is an amenable number.

20224441 is a deficient number, since it is larger than the sum of its proper divisors (1189691).

20224441 is a wasteful number, since it uses less digits than its factorization.

20224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189690.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20224441 is about 4497.1592144375. The cubic root of 20224441 is about 272.4533646311.

Adding to 20224441 its reverse (14442202), we get a palindrome (34666643).

The spelling of 20224441 in words is "twenty million, two hundred twenty-four thousand, four hundred forty-one".