22350447 has 24 divisors (see below), whose sum is σ = 37159200. Its totient is φ = 12680640.

The previous prime is 22350437. The next prime is 22350451. The reversal of 22350447 is 74405322.

It is not a de Polignac number, because 22350447 - 2¹⁰ = 22349423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22350447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22350407) 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 23 ways as a sum of consecutive naturals, for example, 8197 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (1548300).

Almost surely, 2^22350447 is an apocalyptic number.

22350447 is a deficient number, since it is larger than the sum of its proper divisors (14808753).

22350447 is a wasteful number, since it uses less digits than its factorization.

22350447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 22350447 is about 4727.6259369794. The cubic root of 22350447 is about 281.6839298656.

Adding to 22350447 its reverse (74405322), we get a palindrome (96755769).

The spelling of 22350447 in words is "twenty-two million, three hundred fifty thousand, four hundred forty-seven".