22050447 has 4 divisors (see below), whose sum is σ = 29400600. Its totient is φ = 14700296.

The previous prime is 22050433. The next prime is 22050467. The reversal of 22050447 is 74405022.

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

It is a cyclic number.

It is not a de Polignac number, because 22050447 - 2¹¹ = 22048399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22050467) 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, 3675072 + ... + 3675077.

It is an arithmetic number, because the mean of its divisors is an integer number (7350150).

Almost surely, 2^22050447 is an apocalyptic number.

22050447 is a deficient number, since it is larger than the sum of its proper divisors (7350153).

22050447 is an equidigital number, since it uses as much as digits as its factorization.

22050447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350152.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22050447 is about 4695.7903488124. The cubic root of 22050447 is about 280.4179430223.

Adding to 22050447 its reverse (74405022), we get a palindrome (96455469).

The spelling of 22050447 in words is "twenty-two million, fifty thousand, four hundred forty-seven".