22144242301436 has 12 divisors (see below), whose sum is σ = 38752483112112. Its totient is φ = 11072104269408.

The previous prime is 22144242301373. The next prime is 22144242301439. The reversal of 22144242301436 is 63410324244122.

It is a self number, because there is not a number n which added to its sum of digits gives 22144242301436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144242301439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994985 + ... + 6728928.

It is an arithmetic number, because the mean of its divisors is an integer number (3229373592676).

Almost surely, 2^{22144242301436} is an apocalyptic number.

It is an amenable number.

22144242301436 is a deficient number, since it is larger than the sum of its proper divisors (16608240810676).

22144242301436 is a wasteful number, since it uses less digits than its factorization.

22144242301436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440660 (or 8440658 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 22144242301436 its reverse (63410324244122), we get a palindrome (85554566545558).

The spelling of 22144242301436 in words is "twenty-two trillion, one hundred forty-four billion, two hundred forty-two million, three hundred one thousand, four hundred thirty-six".