22642302302144 has 112 divisors (see below), whose sum is σ = 51658638148608. Its totient is φ = 9645452172288.

The previous prime is 22642302302143. The next prime is 22642302302149. The reversal of 22642302302144 is 44120320324622.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22642302302141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347417849 + ... + 347483015.

Almost surely, 2^{22642302302144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22642302302144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25829319074304).

22642302302144 is an abundant number, since it is smaller than the sum of its proper divisors (29016335846464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22642302302144 is a wasteful number, since it uses less digits than its factorization.

22642302302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69842 (or 69832 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 22642302302144 its reverse (44120320324622), we get a palindrome (66762622626766).

The spelling of 22642302302144 in words is "twenty-two trillion, six hundred forty-two billion, three hundred two million, three hundred two thousand, one hundred forty-four".