22051401244 has 24 divisors (see below), whose sum is σ = 39945830400. Its totient is φ = 10640289840.

The previous prime is 22051401223. The next prime is 22051401247. The reversal of 22051401244 is 44210415022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051401247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203164 + ... + 292195.

It is an arithmetic number, because the mean of its divisors is an integer number (1664409600).

Almost surely, 2^22051401244 is an apocalyptic number.

It is an amenable number.

22051401244 is a deficient number, since it is larger than the sum of its proper divisors (17894429156).

22051401244 is a wasteful number, since it uses less digits than its factorization.

22051401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495753 (or 495751 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22051401244 its reverse (44210415022), we get a palindrome (66261816266).

The spelling of 22051401244 in words is "twenty-two billion, fifty-one million, four hundred one thousand, two hundred forty-four".