22448213073 has 80 divisors (see below), whose sum is σ = 40043395392. Its totient is φ = 12352176000.

The previous prime is 22448213071. The next prime is 22448213111. The reversal of 22448213073 is 37031284422.

It is a happy number.

22448213073 is an astonishing number since 22448213073 = 22448 + ... + 213073.

It is not a de Polignac number, because 22448213073 - 2¹ = 22448213071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22448213071) 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 79 ways as a sum of consecutive naturals, for example, 690678 + ... + 722448.

Almost surely, 2^22448213073 is an apocalyptic number.

It is an amenable number.

22448213073 is a deficient number, since it is larger than the sum of its proper divisors (17595182319).

22448213073 is a wasteful number, since it uses less digits than its factorization.

22448213073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31868 (or 31859 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 22448213073 its reverse (37031284422), we get a palindrome (59479497495).

The spelling of 22448213073 in words is "twenty-two billion, four hundred forty-eight million, two hundred thirteen thousand, seventy-three".